1162213444 has 12 divisors (see below), whose sum is σ = 2324426944. Its totient is φ = 498091464.

The previous prime is 1162213439. The next prime is 1162213453. The reversal of 1162213444 is 4443122611.

1162213444 is an admirable number.

It is a super-2 number, since 2×1162213444² = 2701480178828682272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 41507623 = 1162213444 / (1 + 1 + 6 + 2 + 2 + 1 + 3 + 4 + 4 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20753784 + ... + 20753839.

Almost surely, 2^1162213444 is an apocalyptic number.

1162213444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1162213444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1162213444 is a wasteful number, since it uses less digits than its factorization.

1162213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41507634 (or 41507632 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1162213444 is about 34091.2517223994. The cubic root of 1162213444 is about 1051.3854557685.

The spelling of 1162213444 in words is "one billion, one hundred sixty-two million, two hundred thirteen thousand, four hundred forty-four".