402433122 has 64 divisors (see below), whose sum is σ = 1014822144. Its totient is φ = 103541760.

The previous prime is 402433117. The next prime is 402433133. The reversal of 402433122 is 221334204.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13398 + ... + 31374.

It is an arithmetic number, because the mean of its divisors is an integer number (15856596).

Almost surely, 2^402433122 is an apocalyptic number.

402433122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 402433122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507411072).

402433122 is an abundant number, since it is smaller than the sum of its proper divisors (612389022).

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

402433122 is a wasteful number, since it uses less digits than its factorization.

402433122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18043.

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

The square root of 402433122 is about 20060.7358289770. The cubic root of 402433122 is about 738.2972304697.

Adding to 402433122 its reverse (221334204), we get a palindrome (623767326).

It can be divided in two parts, 40243 and 3122, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 402433122 in words is "four hundred two million, four hundred thirty-three thousand, one hundred twenty-two".