22142264 has 16 divisors (see below), whose sum is σ = 42400800. Its totient is φ = 10835392.

The previous prime is 22142257. The next prime is 22142293. The reversal of 22142264 is 46224122.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29069 + ... + 29820.

It is an arithmetic number, because the mean of its divisors is an integer number (2650050).

Almost surely, 2^22142264 is an apocalyptic number.

It is an amenable number.

22142264 is a deficient number, since it is larger than the sum of its proper divisors (20258536).

22142264 is a wasteful number, since it uses less digits than its factorization.

22142264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58942 (or 58938 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 22142264 is about 4705.5567152038. The cubic root of 22142264 is about 280.8066196495.

Adding to 22142264 its reverse (46224122), we get a palindrome (68366386).

The spelling of 22142264 in words is "twenty-two million, one hundred forty-two thousand, two hundred sixty-four".