109228644 has 108 divisors (see below), whose sum is σ = 338192400. Its totient is φ = 29556576.

The previous prime is 109228607. The next prime is 109228657. The reversal of 109228644 is 446822901.

109228644 is a `hidden beast` number, since 1 + 0 + 9 + 2 + 2 + 8 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 109228599 and 109228608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31887 + ... + 35145.

Almost surely, 2^109228644 is an apocalyptic number.

109228644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109228644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169096200).

109228644 is an abundant number, since it is smaller than the sum of its proper divisors (228963756).

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

109228644 is a wasteful number, since it uses less digits than its factorization.

109228644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 109228644 is about 10451.2508342303. The cubic root of 109228644 is about 478.0193907973.

The spelling of 109228644 in words is "one hundred nine million, two hundred twenty-eight thousand, six hundred forty-four".