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3223122540 = 22351137891483
BaseRepresentation
bin1100000000011100…
…1111001001101100
322022121212120220220
43000013033021230
523100104410130
61251454411340
7142605042501
oct30007171154
98277776826
103223122540
111404406740
1275b500b50
133c49a6301
142280c74a8
1513ce69410
hexc01cf26c

3223122540 has 192 divisors, whose sum is σ = 10231764480. Its totient is φ = 751196160.

The previous prime is 3223122527. The next prime is 3223122541. The reversal of 3223122540 is 452213223.

It is a self number, because there is not a number n which added to its sum of digits gives 3223122540.

It is not an unprimeable number, because it can be changed into a prime (3223122541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2172639 + ... + 2174121.

It is an arithmetic number, because the mean of its divisors is an integer number (53290440).

Almost surely, 23223122540 is an apocalyptic number.

3223122540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3223122540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5115882240).

3223122540 is an abundant number, since it is smaller than the sum of its proper divisors (7008641940).

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

3223122540 is a wasteful number, since it uses less digits than its factorization.

3223122540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3223122540 is about 56772.5509379313. The cubic root of 3223122540 is about 1477.1534249135.

Adding to 3223122540 its reverse (452213223), we get a palindrome (3675335763).

The spelling of 3223122540 in words is "three billion, two hundred twenty-three million, one hundred twenty-two thousand, five hundred forty".