157027222 has 8 divisors (see below), whose sum is σ = 256953672. Its totient is φ = 71376000.

The previous prime is 157027219. The next prime is 157027243. The reversal of 157027222 is 222720751.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568779 + ... + 3568822.

It is an arithmetic number, because the mean of its divisors is an integer number (32119209).

Almost surely, 2^157027222 is an apocalyptic number.

157027222 is a deficient number, since it is larger than the sum of its proper divisors (99926450).

157027222 is a wasteful number, since it uses less digits than its factorization.

157027222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137614.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 157027222 is about 12531.0503151172. The cubic root of 157027222 is about 539.5002486597.

Adding to 157027222 its reverse (222720751), we get a palindrome (379747973).

The spelling of 157027222 in words is "one hundred fifty-seven million, twenty-seven thousand, two hundred twenty-two".