222122157 has 8 divisors (see below), whose sum is σ = 296712480. Its totient is φ = 147806640.

The previous prime is 222122149. The next prime is 222122183. The reversal of 222122157 is 751221222.

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

It is not a de Polignac number, because 222122157 - 2³ = 222122149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66807 + ... + 70052.

It is an arithmetic number, because the mean of its divisors is an integer number (37089060).

Almost surely, 2^222122157 is an apocalyptic number.

It is an amenable number.

222122157 is a deficient number, since it is larger than the sum of its proper divisors (74590323).

222122157 is a wasteful number, since it uses less digits than its factorization.

222122157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137403.

The product of its digits is 1120, while the sum is 24.

The square root of 222122157 is about 14903.7631824986. The cubic root of 222122157 is about 605.6159353398.

Adding to 222122157 its reverse (751221222), we get a palindrome (973343379).

The spelling of 222122157 in words is "two hundred twenty-two million, one hundred twenty-two thousand, one hundred fifty-seven".