22987122 has 16 divisors (see below), whose sum is σ = 46143552. Its totient is φ = 7634160.

The previous prime is 22987121. The next prime is 22987123. The reversal of 22987122 is 22178922.

It is an interprime number because it is at equal distance from previous prime (22987121) and next prime (22987123).

It is not an unprimeable number, because it can be changed into a prime (22987121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254 + ... + 8577.

It is an arithmetic number, because the mean of its divisors is an integer number (2883972).

Almost surely, 2^22987122 is an apocalyptic number.

22987122 is an abundant number, since it is smaller than the sum of its proper divisors (23156430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22987122 is a wasteful number, since it uses less digits than its factorization.

22987122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14113.

The product of its digits is 8064, while the sum is 33.

The square root of 22987122 is about 4794.4887110098. The cubic root of 22987122 is about 284.3336108020. Note that the first 3 decimals are identical.

The spelling of 22987122 in words is "twenty-two million, nine hundred eighty-seven thousand, one hundred twenty-two".