1022697264 has 20 divisors (see below), whose sum is σ = 2641968056. Its totient is φ = 340899072.

The previous prime is 1022697257. The next prime is 1022697289. The reversal of 1022697264 is 4627962201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10653049 + ... + 10653144.

Almost surely, 2^1022697264 is an apocalyptic number.

It is an amenable number.

1022697264 is an abundant number, since it is smaller than the sum of its proper divisors (1619270792).

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

1022697264 is a wasteful number, since it uses less digits than its factorization.

1022697264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21306204 (or 21306198 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1022697264 is about 31979.6382718754. The cubic root of 1022697264 is about 1007.5092250611.

The spelling of 1022697264 in words is "one billion, twenty-two million, six hundred ninety-seven thousand, two hundred sixty-four".