22151001100452 has 36 divisors (see below), whose sum is σ = 60124145845680. Its totient is φ = 6328857457104.

The previous prime is 22151001100409. The next prime is 22151001100469. The reversal of 22151001100452 is 25400110015122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18835884702 + ... + 18835885877.

It is an arithmetic number, because the mean of its divisors is an integer number (1670115162380).

Almost surely, 2^{22151001100452} is an apocalyptic number.

It is an amenable number.

22151001100452 is an abundant number, since it is smaller than the sum of its proper divisors (37973144745228).

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

22151001100452 is a wasteful number, since it uses less digits than its factorization.

22151001100452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37671770600 (or 37671770591 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 22151001100452 its reverse (25400110015122), we get a palindrome (47551111115574).

The spelling of 22151001100452 in words is "twenty-two trillion, one hundred fifty-one billion, one million, one hundred thousand, four hundred fifty-two".