1092210640 has 20 divisors (see below), whose sum is σ = 2539389924. Its totient is φ = 436884224.

The previous prime is 1092210619. The next prime is 1092210689. The reversal of 1092210640 is 460122901.

It can be written as a sum of positive squares in 2 ways, for example, as 410791824 + 681418816 = 20268^2 + 26104^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6826237 + ... + 6826396.

Almost surely, 2^1092210640 is an apocalyptic number.

1092210640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1092210640 is an abundant number, since it is smaller than the sum of its proper divisors (1447179284).

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

1092210640 is a wasteful number, since it uses less digits than its factorization.

1092210640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13652646 (or 13652640 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1092210640 is about 33048.6102582242. The cubic root of 1092210640 is about 1029.8377348304.

The spelling of 1092210640 in words is "one billion, ninety-two million, two hundred ten thousand, six hundred forty".