22002321985 has 32 divisors (see below), whose sum is σ = 31775546880. Its totient is φ = 14298882048.

The previous prime is 22002321937. The next prime is 22002322009. The reversal of 22002321985 is 58912320022.

It is a cyclic number.

It is not a de Polignac number, because 22002321985 - 2¹⁵ = 22002289217 is a prime.

It is a super-2 number, since 2×22002321985² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22002321985.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37632 + ... + 213121.

It is an arithmetic number, because the mean of its divisors is an integer number (992985840).

Almost surely, 2^22002321985 is an apocalyptic number.

It is an amenable number.

22002321985 is a deficient number, since it is larger than the sum of its proper divisors (9773224895).

22002321985 is a wasteful number, since it uses less digits than its factorization.

22002321985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250897.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 22002321985 in words is "twenty-two billion, two million, three hundred twenty-one thousand, nine hundred eighty-five".