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22025252023 = 47945981737
BaseRepresentation
bin10100100000110011…
…101010110010110111
32002211222101201201221
4110200303222302313
5330101431031043
614041313331211
71406543360515
oct244063526267
962758351657
1022025252023
119382753925
124328266b07
132100153b08
1410cd2754b5
1588d96a8ed
hex520ceacb7

22025252023 has 4 divisors (see below), whose sum is σ = 22071234240. Its totient is φ = 21979269808.

The previous prime is 22025251999. The next prime is 22025252027. The reversal of 22025252023 is 32025252022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32025252022 = 216012626011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22025252023 is a prime.

It is a super-2 number, since 2×220252520232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025252027) 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, 22990390 + ... + 22991347.

It is an arithmetic number, because the mean of its divisors is an integer number (5517808560).

Almost surely, 222025252023 is an apocalyptic number.

22025252023 is a deficient number, since it is larger than the sum of its proper divisors (45982217).

22025252023 is an equidigital number, since it uses as much as digits as its factorization.

22025252023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45982216.

The product of its (nonzero) digits is 4800, while the sum is 25.

Subtracting 22025252023 from its reverse (32025252022), we obtain a palindrome (9999999999).

The spelling of 22025252023 in words is "twenty-two billion, twenty-five million, two hundred fifty-two thousand, twenty-three".

Divisors: 1 479 45981737 22025252023