22501143554000 has 80 divisors (see below), whose sum is σ = 54408792681360. Its totient is φ = 9000287436800.

The previous prime is 22501143553997. The next prime is 22501143554053. The reversal of 22501143554000 is 45534110522.

It can be written as a sum of positive squares in 8 ways, for example, as 132254414224 + 22368889139776 = 363668^2 + 4729576^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22501143554000² (a number of 28 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, 200329856 + ... + 200442144.

It is an arithmetic number, because the mean of its divisors is an integer number (680109908517).

Almost surely, 2^{22501143554000} is an apocalyptic number.

22501143554000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22501143554000 is an abundant number, since it is smaller than the sum of its proper divisors (31907649127360).

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

22501143554000 is a wasteful number, since it uses less digits than its factorization.

22501143554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212505 (or 212489 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 22501143554000 its reverse (45534110522), we get a palindrome (22546677664522).

The spelling of 22501143554000 in words is "twenty-two trillion, five hundred one billion, one hundred forty-three million, five hundred fifty-four thousand".