22372989 has 8 divisors (see below), whose sum is σ = 29854272. Its totient is φ = 14903520.

The previous prime is 22372981. The next prime is 22372991. The reversal of 22372989 is 98927322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22372989 - 2³ = 22372981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22372989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22372981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3457 + ... + 7529.

It is an arithmetic number, because the mean of its divisors is an integer number (3731784).

Almost surely, 2^22372989 is an apocalyptic number.

It is an amenable number.

22372989 is a deficient number, since it is larger than the sum of its proper divisors (7481283).

22372989 is a wasteful number, since it uses less digits than its factorization.

22372989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907.

The product of its digits is 108864, while the sum is 42.

The square root of 22372989 is about 4730.0094080245. The cubic root of 22372989 is about 281.7785974074.

The spelling of 22372989 in words is "twenty-two million, three hundred seventy-two thousand, nine hundred eighty-nine".