157522270 has 16 divisors (see below), whose sum is σ = 283683888. Its totient is φ = 62976960.

The previous prime is 157522259. The next prime is 157522279. The reversal of 157522270 is 72225751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157522279) 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, 33250 + ... + 37690.

It is an arithmetic number, because the mean of its divisors is an integer number (17730243).

Almost surely, 2^157522270 is an apocalyptic number.

157522270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157522270 is a deficient number, since it is larger than the sum of its proper divisors (126161618).

157522270 is a wasteful number, since it uses less digits than its factorization.

157522270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7995.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 157522270 is about 12550.7876246871. The cubic root of 157522270 is about 540.0666012961.

The spelling of 157522270 in words is "one hundred fifty-seven million, five hundred twenty-two thousand, two hundred seventy".