22132989 has 12 divisors (see below), whose sum is σ = 32750172. Its totient is φ = 14395200.

The previous prime is 22132987. The next prime is 22133017. The reversal of 22132989 is 98923122.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 19980900 = 1467^2 + 4470^2 .

It is not a de Polignac number, because 22132989 - 2¹ = 22132987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29622 + ... + 30359.

It is an arithmetic number, because the mean of its divisors is an integer number (2729181).

Almost surely, 2^22132989 is an apocalyptic number.

It is an amenable number.

22132989 is a deficient number, since it is larger than the sum of its proper divisors (10617183).

22132989 is a wasteful number, since it uses less digits than its factorization.

22132989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60028 (or 60025 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 22132989 is about 4704.5710750291. The cubic root of 22132989 is about 280.7674058766.

The spelling of 22132989 in words is "twenty-two million, one hundred thirty-two thousand, nine hundred eighty-nine".