157564222 has 16 divisors (see below), whose sum is σ = 241225200. Its totient is φ = 77170752.

The previous prime is 157564217. The next prime is 157564223. The reversal of 157564222 is 222465751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157564223) 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, 18133 + ... + 25375.

It is an arithmetic number, because the mean of its divisors is an integer number (15076575).

Almost surely, 2^157564222 is an apocalyptic number.

157564222 is a deficient number, since it is larger than the sum of its proper divisors (83660978).

157564222 is a wasteful number, since it uses less digits than its factorization.

157564222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7467.

The product of its digits is 33600, while the sum is 34.

The square root of 157564222 is about 12552.4588029597. The cubic root of 157564222 is about 540.1145413175.

The spelling of 157564222 in words is "one hundred fifty-seven million, five hundred sixty-four thousand, two hundred twenty-two".