122157226 has 8 divisors (see below), whose sum is σ = 185555520. Its totient is φ = 60305388.

The previous prime is 122157179. The next prime is 122157229. The reversal of 122157226 is 622751221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122157194 and 122157203.

It is not an unprimeable number, because it can be changed into a prime (122157229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386416 + ... + 386731.

It is an arithmetic number, because the mean of its divisors is an integer number (23194440).

Almost surely, 2^122157226 is an apocalyptic number.

122157226 is a deficient number, since it is larger than the sum of its proper divisors (63398294).

122157226 is an equidigital number, since it uses as much as digits as its factorization.

122157226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773228.

The product of its digits is 3360, while the sum is 28.

The square root of 122157226 is about 11052.4760121884. The cubic root of 122157226 is about 496.1805322924.

The spelling of 122157226 in words is "one hundred twenty-two million, one hundred fifty-seven thousand, two hundred twenty-six".