1098622872 has 64 divisors (see below), whose sum is σ = 3056796000. Its totient is φ = 365599872.

The previous prime is 1098622859. The next prime is 1098622913. The reversal of 1098622872 is 2782268901.

1098622872 is a `hidden beast` number, since 10 + 9 + 8 + 622 + 8 + 7 + 2 = 666.

It is a congruent number.

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, 137154 + ... + 144942.

Almost surely, 2^1098622872 is an apocalyptic number.

1098622872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1098622872 is an abundant number, since it is smaller than the sum of its proper divisors (1958173128).

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

1098622872 is a wasteful number, since it uses less digits than its factorization.

1098622872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457 (or 8447 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1098622872 is about 33145.4804158878. The cubic root of 1098622872 is about 1031.8491531817.

The spelling of 1098622872 in words is "one billion, ninety-eight million, six hundred twenty-two thousand, eight hundred seventy-two".