1225832336 has 20 divisors (see below), whose sum is σ = 2419864092. Its totient is φ = 601351296.

The previous prime is 1225832323. The next prime is 1225832353. The reversal of 1225832336 is 6332385221.

It can be written as a sum of positive squares in 2 ways, for example, as 515290000 + 710542336 = 22700^2 + 26656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1225832296 and 1225832305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721931 + ... + 723626.

Almost surely, 2^1225832336 is an apocalyptic number.

1225832336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1225832336 is a deficient number, since it is larger than the sum of its proper divisors (1194031756).

1225832336 is a wasteful number, since it uses less digits than its factorization.

1225832336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445618 (or 1445612 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 1225832336 is about 35011.8884951955. Note that the first 3 decimals coincide. The cubic root of 1225832336 is about 1070.2297628698.

The spelling of 1225832336 in words is "one billion, two hundred twenty-five million, eight hundred thirty-two thousand, three hundred thirty-six".