157616222 has 4 divisors (see below), whose sum is σ = 236424336. Its totient is φ = 78808110.

The previous prime is 157616219. The next prime is 157616233. The reversal of 157616222 is 222616751.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39404054 + ... + 39404057.

It is an arithmetic number, because the mean of its divisors is an integer number (59106084).

Almost surely, 2^157616222 is an apocalyptic number.

157616222 is a deficient number, since it is larger than the sum of its proper divisors (78808114).

157616222 is an equidigital number, since it uses as much as digits as its factorization.

157616222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78808113.

The product of its digits is 10080, while the sum is 32.

The square root of 157616222 is about 12554.5299394282. The cubic root of 157616222 is about 540.1739517316.

The spelling of 157616222 in words is "one hundred fifty-seven million, six hundred sixteen thousand, two hundred twenty-two".