109638722 has 8 divisors (see below), whose sum is σ = 164637900. Its totient is φ = 54759424.

The previous prime is 109638713. The next prime is 109638731. The reversal of 109638722 is 227836901.

It is an interprime number because it is at equal distance from previous prime (109638713) and next prime (109638731).

It can be written as a sum of positive squares in 2 ways, for example, as 95433361 + 14205361 = 9769^2 + 3769^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 27647 + ... + 31362.

Almost surely, 2^109638722 is an apocalyptic number.

109638722 is a deficient number, since it is larger than the sum of its proper divisors (54999178).

109638722 is an equidigital number, since it uses as much as digits as its factorization.

109638722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59940.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 109638722 is about 10470.8510637866. The cubic root of 109638722 is about 478.6168544476.

The spelling of 109638722 in words is "one hundred nine million, six hundred thirty-eight thousand, seven hundred twenty-two".