22142521044 has 48 divisors (see below), whose sum is σ = 65607472000. Its totient is φ = 6326434368.

The previous prime is 22142521021. The next prime is 22142521067. The reversal of 22142521044 is 44012524122.

It is a happy number.

22142521044 is a `hidden beast` number, since 2 + 21 + 425 + 210 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (22142521021) and next prime (22142521067).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22142520999 and 22142521017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14643769 + ... + 14645280.

Almost surely, 2^22142521044 is an apocalyptic number.

It is an amenable number.

22142521044 is an abundant number, since it is smaller than the sum of its proper divisors (43464950956).

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

22142521044 is a wasteful number, since it uses less digits than its factorization.

22142521044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29289069 (or 29289061 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The spelling of 22142521044 in words is "twenty-two billion, one hundred forty-two million, five hundred twenty-one thousand, forty-four".