22251824820572 has 12 divisors (see below), whose sum is σ = 39579065459976. Its totient is φ = 10943520403440.

The previous prime is 22251824820571. The next prime is 22251824820593. The reversal of 22251824820572 is 27502842815222.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22251824820572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22251824820571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45598001438 + ... + 45598001925.

It is an arithmetic number, because the mean of its divisors is an integer number (3298255454998).

Almost surely, 2^{22251824820572} is an apocalyptic number.

It is an amenable number.

22251824820572 is a deficient number, since it is larger than the sum of its proper divisors (17327240639404).

22251824820572 is a wasteful number, since it uses less digits than its factorization.

22251824820572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91196003428 (or 91196003426 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 50.

The spelling of 22251824820572 in words is "twenty-two trillion, two hundred fifty-one billion, eight hundred twenty-four million, eight hundred twenty thousand, five hundred seventy-two".