109128822 has 32 divisors (see below), whose sum is σ = 239549184. Its totient is φ = 32868000.

The previous prime is 109128793. The next prime is 109128847. The reversal of 109128822 is 228821901.

It is a super-2 number, since 2×109128822² = 23818199582215368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 6072 + ... + 15972.

It is an arithmetic number, because the mean of its divisors is an integer number (7485912).

Almost surely, 2^109128822 is an apocalyptic number.

109128822 is an abundant number, since it is smaller than the sum of its proper divisors (130420362).

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

109128822 is a wasteful number, since it uses less digits than its factorization.

109128822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 109128822 is about 10446.4741420251. The cubic root of 109128822 is about 477.8737287771.

The spelling of 109128822 in words is "one hundred nine million, one hundred twenty-eight thousand, eight hundred twenty-two".