231477922 has 16 divisors (see below), whose sum is σ = 375141312. Its totient is φ = 106488720.

The previous prime is 231477889. The next prime is 231477937. The reversal of 231477922 is 229774132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6228 + ... + 22399.

It is an arithmetic number, because the mean of its divisors is an integer number (23446332).

Almost surely, 2^231477922 is an apocalyptic number.

231477922 is a deficient number, since it is larger than the sum of its proper divisors (143663390).

231477922 is a wasteful number, since it uses less digits than its factorization.

231477922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28953.

The product of its digits is 42336, while the sum is 37.

The square root of 231477922 is about 15214.3985093069. The cubic root of 231477922 is about 614.0021025792.

The spelling of 231477922 in words is "two hundred thirty-one million, four hundred seventy-seven thousand, nine hundred twenty-two".