109722345 has 8 divisors (see below), whose sum is σ = 175555776. Its totient is φ = 58518576.

The previous prime is 109722329. The next prime is 109722367. The reversal of 109722345 is 543227901.

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

It is not a de Polignac number, because 109722345 - 2⁴ = 109722329 is a prime.

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, 3657397 + ... + 3657426.

It is an arithmetic number, because the mean of its divisors is an integer number (21944472).

Almost surely, 2^109722345 is an apocalyptic number.

109722345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109722345 is a deficient number, since it is larger than the sum of its proper divisors (65833431).

109722345 is an equidigital number, since it uses as much as digits as its factorization.

109722345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7314831.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 109722345 is about 10474.8434355841. The cubic root of 109722345 is about 478.7385061333.

The spelling of 109722345 in words is "one hundred nine million, seven hundred twenty-two thousand, three hundred forty-five".