22814012 has 24 divisors (see below), whose sum is σ = 43448496. Its totient is φ = 10418688.

The previous prime is 22813963. The next prime is 22814023. The reversal of 22814012 is 21041822.

It is a happy number.

It is a super-2 number, since 2×22814012² = 1040958287072288, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2783 + ... + 7305.

It is an arithmetic number, because the mean of its divisors is an integer number (1810354).

Almost surely, 2^22814012 is an apocalyptic number.

It is an amenable number.

22814012 is a deficient number, since it is larger than the sum of its proper divisors (20634484).

22814012 is a wasteful number, since it uses less digits than its factorization.

22814012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22814012 is about 4776.4015744072. The cubic root of 22814012 is about 283.6180642493.

Adding to 22814012 its reverse (21041822), we get a palindrome (43855834).

The spelling of 22814012 in words is "twenty-two million, eight hundred fourteen thousand, twelve".