1226367372 has 24 divisors (see below), whose sum is σ = 2884059136. Its totient is φ = 405569808.

The previous prime is 1226367343. The next prime is 1226367379. The reversal of 1226367372 is 2737636221.

It is a super-2 number, since 2×1226367372² = 3007953862212372768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1226367372.

It is not an unprimeable number, because it can be changed into a prime (1226367379) 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, 400828 + ... + 403875.

Almost surely, 2^1226367372 is an apocalyptic number.

1226367372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1226367372 is an abundant number, since it is smaller than the sum of its proper divisors (1657691764).

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

1226367372 is a wasteful number, since it uses less digits than its factorization.

1226367372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804837 (or 804835 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 1226367372 is about 35019.5284377160. The cubic root of 1226367372 is about 1070.3854470652.

The spelling of 1226367372 in words is "one billion, two hundred twenty-six million, three hundred sixty-seven thousand, three hundred seventy-two".