402133122 has 24 divisors (see below), whose sum is σ = 873054000. Its totient is φ = 133772760.

The previous prime is 402133103. The next prime is 402133139. The reversal of 402133122 is 221331204.

It is a super-2 number, since 2×402133122² = 323422095618933768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 402133095 and 402133104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13404 + ... + 31367.

It is an arithmetic number, because the mean of its divisors is an integer number (36377250).

Almost surely, 2^402133122 is an apocalyptic number.

402133122 is an abundant number, since it is smaller than the sum of its proper divisors (470920878).

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

402133122 is a wasteful number, since it uses less digits than its factorization.

402133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45278 (or 45275 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 402133122 is about 20053.2571419209. The cubic root of 402133122 is about 738.1137264974.

Adding to 402133122 its reverse (221331204), we get a palindrome (623464326).

The spelling of 402133122 in words is "four hundred two million, one hundred thirty-three thousand, one hundred twenty-two".