157384222 has 4 divisors (see below), whose sum is σ = 236076336. Its totient is φ = 78692110.

The previous prime is 157384219. The next prime is 157384229. The reversal of 157384222 is 222483751.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157384229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39346054 + ... + 39346057.

It is an arithmetic number, because the mean of its divisors is an integer number (59019084).

Almost surely, 2^157384222 is an apocalyptic number.

157384222 is a deficient number, since it is larger than the sum of its proper divisors (78692114).

157384222 is an equidigital number, since it uses as much as digits as its factorization.

157384222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78692113.

The product of its digits is 26880, while the sum is 34.

The square root of 157384222 is about 12545.2868440702. The cubic root of 157384222 is about 539.9087888926.

The spelling of 157384222 in words is "one hundred fifty-seven million, three hundred eighty-four thousand, two hundred twenty-two".