232221090 has 32 divisors (see below), whose sum is σ = 567850176. Its totient is φ = 60756800.

The previous prime is 232221061. The next prime is 232221091. The reversal of 232221090 is 90122232.

It is not an unprimeable number, because it can be changed into a prime (232221091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71436 + ... + 74615.

It is an arithmetic number, because the mean of its divisors is an integer number (17745318).

Almost surely, 2^232221090 is an apocalyptic number.

232221090 is an abundant number, since it is smaller than the sum of its proper divisors (335629086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232221090 is a wasteful number, since it uses less digits than its factorization.

232221090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146114.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 232221090 is about 15238.8021182769. The cubic root of 232221090 is about 614.6584923984.

The spelling of 232221090 in words is "two hundred thirty-two million, two hundred twenty-one thousand, ninety".