22451671204600 has 48 divisors (see below), whose sum is σ = 56945602424520. Its totient is φ = 8164244073600.

The previous prime is 22451671204507. The next prime is 22451671204601. The reversal of 22451671204600 is 640217615422.

It is a happy number.

It is a super-2 number, since 2×22451671204600² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451671204601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5102650347 + ... + 5102654746.

Almost surely, 2^{22451671204600} is an apocalyptic number.

22451671204600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22451671204600 is an abundant number, since it is smaller than the sum of its proper divisors (34493931219920).

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

22451671204600 is a wasteful number, since it uses less digits than its factorization.

22451671204600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205305120 (or 10205305111 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 22451671204600 in words is "twenty-two trillion, four hundred fifty-one billion, six hundred seventy-one million, two hundred four thousand, six hundred".