157722466 has 16 divisors (see below), whose sum is σ = 259953120. Its totient is φ = 71174880.

The previous prime is 157722463. The next prime is 157722479. The reversal of 157722466 is 664227751.

157722466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157722466² = 49752752562242312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157722463) 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, 22731 + ... + 28846.

It is an arithmetic number, because the mean of its divisors is an integer number (16247070).

Almost surely, 2^157722466 is an apocalyptic number.

157722466 is a deficient number, since it is larger than the sum of its proper divisors (102230654).

157722466 is a wasteful number, since it uses less digits than its factorization.

157722466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51729.

The product of its digits is 141120, while the sum is 40.

The square root of 157722466 is about 12558.7605280139. The cubic root of 157722466 is about 540.2952957372.

The spelling of 157722466 in words is "one hundred fifty-seven million, seven hundred twenty-two thousand, four hundred sixty-six".