232022440 has 32 divisors (see below), whose sum is σ = 562209480. Its totient is φ = 85669632.

The previous prime is 232022437. The next prime is 232022473. The reversal of 232022440 is 44220232.

It can be written as a sum of positive squares in 4 ways, for example, as 135629316 + 96393124 = 11646^2 + 9818^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222579 + ... + 223618.

Almost surely, 2^232022440 is an apocalyptic number.

232022440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232022440 is an abundant number, since it is smaller than the sum of its proper divisors (330187040).

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

232022440 is a wasteful number, since it uses less digits than its factorization.

232022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446221 (or 446217 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 232022440 is about 15232.2828230046. The cubic root of 232022440 is about 614.4831756449.

Adding to 232022440 its reverse (44220232), we get a palindrome (276242672).

The spelling of 232022440 in words is "two hundred thirty-two million, twenty-two thousand, four hundred forty".