22100251452 has 48 divisors (see below), whose sum is σ = 52723464192. Its totient is φ = 7201929280.

The previous prime is 22100251417. The next prime is 22100251469. The reversal of 22100251452 is 25415200122.

It is a super-2 number, since 2×22100251452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492298 + ... + 535310.

It is an arithmetic number, because the mean of its divisors is an integer number (1098405504).

Almost surely, 2^22100251452 is an apocalyptic number.

It is an amenable number.

22100251452 is an abundant number, since it is smaller than the sum of its proper divisors (30623212740).

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

22100251452 is a wasteful number, since it uses less digits than its factorization.

22100251452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43978 (or 43976 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 22100251452 its reverse (25415200122), we get a palindrome (47515451574).

The spelling of 22100251452 in words is "twenty-two billion, one hundred million, two hundred fifty-one thousand, four hundred fifty-two".