22211772643888 has 40 divisors (see below), whose sum is σ = 43571530116608. Its totient is φ = 10968094412352.

The previous prime is 22211772643877. The next prime is 22211772643897. The reversal of 22211772643888 is 88834627711222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17757606 + ... + 18967237.

Almost surely, 2^{22211772643888} is an apocalyptic number.

It is an amenable number.

22211772643888 is a deficient number, since it is larger than the sum of its proper divisors (21359757472720).

22211772643888 is a wasteful number, since it uses less digits than its factorization.

22211772643888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36725321 (or 36725315 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 61.

The spelling of 22211772643888 in words is "twenty-two trillion, two hundred eleven billion, seven hundred seventy-two million, six hundred forty-three thousand, eight hundred eighty-eight".