122332440 has 64 divisors (see below), whose sum is σ = 379663200. Its totient is φ = 31496192.

The previous prime is 122332433. The next prime is 122332447. The reversal of 122332440 is 44233221.

It is an interprime number because it is at equal distance from previous prime (122332433) and next prime (122332447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122332447) 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, 14097 + ... + 21056.

Almost surely, 2^122332440 is an apocalyptic number.

122332440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122332440 is an abundant number, since it is smaller than the sum of its proper divisors (257330760).

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

122332440 is a wasteful number, since it uses less digits than its factorization.

122332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35196 (or 35192 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 122332440 is about 11060.3996311164. The cubic root of 122332440 is about 496.4176481413.

Adding to 122332440 its reverse (44233221), we get a palindrome (166565661).

The spelling of 122332440 in words is "one hundred twenty-two million, three hundred thirty-two thousand, four hundred forty".