352422540 has 36 divisors (see below), whose sum is σ = 1069015584. Its totient is φ = 93979296.

The previous prime is 352422533. The next prime is 352422541. The reversal of 352422540 is 45224253.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (352422541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978772 + ... + 979131.

Almost surely, 2^352422540 is an apocalyptic number.

352422540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352422540 is an abundant number, since it is smaller than the sum of its proper divisors (716593044).

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

352422540 is a wasteful number, since it uses less digits than its factorization.

352422540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957918 (or 1957913 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 352422540 is about 18772.9203908183. The cubic root of 352422540 is about 706.3520755690.

Adding to 352422540 its reverse (45224253), we get a palindrome (397646793).

The spelling of 352422540 in words is "three hundred fifty-two million, four hundred twenty-two thousand, five hundred forty".