1254222732 has 24 divisors (see below), whose sum is σ = 3344594176. Its totient is φ = 358349328.

The previous prime is 1254222731. The next prime is 1254222733. The reversal of 1254222732 is 2372224521.

It is an interprime number because it is at equal distance from previous prime (1254222731) and next prime (1254222733).

It is a super-2 number, since 2×1254222732² = 3146149322931087648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1254222732.

It is not an unprimeable number, because it can be changed into a prime (1254222731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7465528 + ... + 7465695.

Almost surely, 2^1254222732 is an apocalyptic number.

1254222732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1254222732 is an abundant number, since it is smaller than the sum of its proper divisors (2090371444).

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

1254222732 is a wasteful number, since it uses less digits than its factorization.

1254222732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14931237 (or 14931235 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 1254222732 is about 35415.0071579832. The cubic root of 1254222732 is about 1078.4289950199.

The spelling of 1254222732 in words is "one billion, two hundred fifty-four million, two hundred twenty-two thousand, seven hundred thirty-two".