22010989 has 24 divisors (see below), whose sum is σ = 29792000. Its totient is φ = 15824160.

The previous prime is 22010983. The next prime is 22010999. The reversal of 22010989 is 98901022.

It is not a de Polignac number, because 22010989 - 2⁵ = 22010957 is a prime.

22010989 is a modest number, since divided by 10989 gives 22 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 22010989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10012 + ... + 12010.

Almost surely, 2^22010989 is an apocalyptic number.

It is an amenable number.

22010989 is a deficient number, since it is larger than the sum of its proper divisors (7781011).

22010989 is a wasteful number, since it uses less digits than its factorization.

22010989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2030 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 22010989 is about 4691.5870449135. The cubic root of 22010989 is about 280.2505792547.

The spelling of 22010989 in words is "twenty-two million, ten thousand, nine hundred eighty-nine".