232217091 has 8 divisors (see below), whose sum is σ = 344025360. Its totient is φ = 154811376.

The previous prime is 232217053. The next prime is 232217101. The reversal of 232217091 is 190712232.

It is not a de Polignac number, because 232217091 - 2¹¹ = 232215043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8600633 = 232217091 / (2 + 3 + 2 + 2 + 1 + 7 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (232217191) 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, 4300290 + ... + 4300343.

It is an arithmetic number, because the mean of its divisors is an integer number (43003170).

Almost surely, 2^232217091 is an apocalyptic number.

232217091 is a deficient number, since it is larger than the sum of its proper divisors (111808269).

232217091 is an equidigital number, since it uses as much as digits as its factorization.

232217091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600642 (or 8600636 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 232217091 is about 15238.6709066112. The cubic root of 232217091 is about 614.6549641036.

The spelling of 232217091 in words is "two hundred thirty-two million, two hundred seventeen thousand, ninety-one".