1097220264 has 64 divisors (see below), whose sum is σ = 3201638400. Its totient is φ = 306819264.

The previous prime is 1097220199. The next prime is 1097220281. The reversal of 1097220264 is 4620227901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61584 + ... + 77375.

It is an arithmetic number, because the mean of its divisors is an integer number (50025600).

Almost surely, 2^1097220264 is an apocalyptic number.

1097220264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1097220264 is an abundant number, since it is smaller than the sum of its proper divisors (2104418136).

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

1097220264 is a wasteful number, since it uses less digits than its factorization.

1097220264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139022 (or 139018 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1097220264 is about 33124.3152985839. The cubic root of 1097220264 is about 1031.4098467665.

The spelling of 1097220264 in words is "one billion, ninety-seven million, two hundred twenty thousand, two hundred sixty-four".