1372226880 has 56 divisors (see below), whose sum is σ = 4356823392. Its totient is φ = 365926912.

The previous prime is 1372226861. The next prime is 1372226887. The reversal of 1372226880 is 886222731.

It is a super-2 number, since 2×1372226880² = 3766013220389068800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372226887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713742 + ... + 715661.

Almost surely, 2^1372226880 is an apocalyptic number.

1372226880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372226880 is an abundant number, since it is smaller than the sum of its proper divisors (2984596512).

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

1372226880 is a wasteful number, since it uses less digits than its factorization.

1372226880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429423 (or 1429413 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1372226880 is about 37043.5808204337. The cubic root of 1372226880 is about 1111.2419829254.

The spelling of 1372226880 in words is "one billion, three hundred seventy-two million, two hundred twenty-six thousand, eight hundred eighty".