109622638 has 8 divisors (see below), whose sum is σ = 168878232. Its totient is φ = 53329896.

The previous prime is 109622627. The next prime is 109622657. The reversal of 109622638 is 836226901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 109622597 and 109622606.

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, 740620 + ... + 740767.

It is an arithmetic number, because the mean of its divisors is an integer number (21109779).

Almost surely, 2^109622638 is an apocalyptic number.

109622638 is a deficient number, since it is larger than the sum of its proper divisors (59255594).

109622638 is a wasteful number, since it uses less digits than its factorization.

109622638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481426.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 109622638 is about 10470.0829987159. The cubic root of 109622638 is about 478.5934489396.

The spelling of 109622638 in words is "one hundred nine million, six hundred twenty-two thousand, six hundred thirty-eight".