1224339972 has 24 divisors (see below), whose sum is σ = 2891214816. Its totient is φ = 403195968.

The previous prime is 1224339943. The next prime is 1224339997. The reversal of 1224339972 is 2799334221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613633 + ... + 615624.

It is an arithmetic number, because the mean of its divisors is an integer number (120467284).

Almost surely, 2^1224339972 is an apocalyptic number.

1224339972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224339972 is an abundant number, since it is smaller than the sum of its proper divisors (1666874844).

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

1224339972 is a wasteful number, since it uses less digits than its factorization.

1224339972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229347 (or 1229345 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 1224339972 is about 34990.5697581506. The cubic root of 1224339972 is about 1069.7952768721.

The spelling of 1224339972 in words is "one billion, two hundred twenty-four million, three hundred thirty-nine thousand, nine hundred seventy-two".