109229720 has 16 divisors (see below), whose sum is σ = 245766960. Its totient is φ = 43691872.

The previous prime is 109229719. The next prime is 109229753. The reversal of 109229720 is 27922901.

It is a super-2 number, since 2×109229720² = 23862263462556800, 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 3 ways as a sum of consecutive naturals, for example, 1365332 + ... + 1365411.

It is an arithmetic number, because the mean of its divisors is an integer number (15360435).

Almost surely, 2^109229720 is an apocalyptic number.

109229720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109229720 is an abundant number, since it is smaller than the sum of its proper divisors (136537240).

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

109229720 is a wasteful number, since it uses less digits than its factorization.

109229720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730754 (or 2730750 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 109229720 is about 10451.3023111955. The cubic root of 109229720 is about 478.0209604319.

The spelling of 109229720 in words is "one hundred nine million, two hundred twenty-nine thousand, seven hundred twenty".