109955772 has 24 divisors (see below), whose sum is σ = 285070800. Its totient is φ = 36651888.

The previous prime is 109955759. The next prime is 109955819. The reversal of 109955772 is 277559901.

109955772 is a `hidden beast` number, since 1 + 0 + 99 + 557 + 7 + 2 = 666.

It is a super-2 number, since 2×109955772² = 24180543592231968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508947 + ... + 509162.

It is an arithmetic number, because the mean of its divisors is an integer number (11877950).

Almost surely, 2^109955772 is an apocalyptic number.

109955772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109955772 is an abundant number, since it is smaller than the sum of its proper divisors (175115028).

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

109955772 is a wasteful number, since it uses less digits than its factorization.

109955772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018122 (or 1018114 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 45.

The square root of 109955772 is about 10485.9797825477. The cubic root of 109955772 is about 479.0777604561.

The spelling of 109955772 in words is "one hundred nine million, nine hundred fifty-five thousand, seven hundred seventy-two".