1226233992 has 32 divisors (see below), whose sum is σ = 3081480480. Its totient is φ = 406625280.

The previous prime is 1226233973. The next prime is 1226234011. The reversal of 1226233992 is 2993326221.

It is an interprime number because it is at equal distance from previous prime (1226233973) and next prime (1226234011).

It is a self number, because there is not a number n which added to its sum of digits gives 1226233992.

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, 127734 + ... + 136997.

It is an arithmetic number, because the mean of its divisors is an integer number (96296265).

Almost surely, 2^1226233992 is an apocalyptic number.

1226233992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1226233992 is an abundant number, since it is smaller than the sum of its proper divisors (1855246488).

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

1226233992 is a wasteful number, since it uses less digits than its factorization.

1226233992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264933 (or 264929 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 1226233992 is about 35017.6240199132. The cubic root of 1226233992 is about 1070.3466405351.

The spelling of 1226233992 in words is "one billion, two hundred twenty-six million, two hundred thirty-three thousand, nine hundred ninety-two".