22661412 has 24 divisors (see below), whose sum is σ = 54700800. Its totient is φ = 7293216.

The previous prime is 22661393. The next prime is 22661413. The reversal of 22661412 is 21416622.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22661413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32212 + ... + 32907.

It is an arithmetic number, because the mean of its divisors is an integer number (2279200).

Almost surely, 2^22661412 is an apocalyptic number.

It is an amenable number.

22661412 is an abundant number, since it is smaller than the sum of its proper divisors (32039388).

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

22661412 is a wasteful number, since it uses less digits than its factorization.

22661412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65155 (or 65153 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 22661412 is about 4760.4004033274. The cubic root of 22661412 is about 282.9842874402.

The spelling of 22661412 in words is "twenty-two million, six hundred sixty-one thousand, four hundred twelve".