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2622422420 = 225131121121
BaseRepresentation
bin1001110001001110…
…1111110110010100
320202202112212021022
42130103233312110
520332320004140
61112115340312
7121662136262
oct23423576624
96682485238
102622422420
11112631a862
126122b1698
1332a3c3b57
141ac3db432
1510535e0b5
hex9c4efd94

2622422420 has 12 divisors (see below), whose sum is σ = 5507087124. Its totient is φ = 1048968960.

The previous prime is 2622422399. The next prime is 2622422423. The reversal of 2622422420 is 242242262.

It can be written as a sum of positive squares in 2 ways, for example, as 1999520656 + 622901764 = 44716^2 + 24958^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2622422420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622422423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65560541 + ... + 65560580.

It is an arithmetic number, because the mean of its divisors is an integer number (458923927).

Almost surely, 22622422420 is an apocalyptic number.

2622422420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2622422420 is an abundant number, since it is smaller than the sum of its proper divisors (2884664704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2622422420 is a wasteful number, since it uses less digits than its factorization.

2622422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131121130 (or 131121128 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2622422420 is about 51209.5930466158. The cubic root of 2622422420 is about 1379.0104261793.

Adding to 2622422420 its reverse (242242262), we get a palindrome (2864664682).

The spelling of 2622422420 in words is "two billion, six hundred twenty-two million, four hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 131121121 262242242 524484484 655605605 1311211210 2622422420