332242155 has 40 divisors (see below), whose sum is σ = 680662752. Its totient is φ = 151880832.

The previous prime is 332242133. The next prime is 332242171. The reversal of 332242155 is 551242233.

It is a happy number.

It is not a de Polignac number, because 332242155 - 2⁶ = 332242091 is a prime.

It is a super-2 number, since 2×332242155² = 220769699118088050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55762 + ... + 61431.

Almost surely, 2^332242155 is an apocalyptic number.

332242155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

332242155 is an abundant number, since it is smaller than the sum of its proper divisors (348420597).

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

332242155 is a wasteful number, since it uses less digits than its factorization.

332242155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117217 (or 117208 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 332242155 is about 18227.5109381396. The cubic root of 332242155 is about 692.6038664816.

Adding to 332242155 its reverse (551242233), we get a palindrome (883484388).

The spelling of 332242155 in words is "three hundred thirty-two million, two hundred forty-two thousand, one hundred fifty-five".