402233331 has 16 divisors (see below), whose sum is σ = 543544704. Its totient is φ = 264561024.

The previous prime is 402233323. The next prime is 402233333. The reversal of 402233331 is 133332204.

It is not a de Polignac number, because 402233331 - 2³ = 402233323 is a prime.

It is a super-2 number, since 2×402233331² = 323583305134711122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402233298 and 402233307.

It is not an unprimeable number, because it can be changed into a prime (402233333) 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, 74340 + ... + 79566.

It is an arithmetic number, because the mean of its divisors is an integer number (33971544).

Almost surely, 2^402233331 is an apocalyptic number.

402233331 is a deficient number, since it is larger than the sum of its proper divisors (141311373).

402233331 is a wasteful number, since it uses less digits than its factorization.

402233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 402233331 is about 20055.7555579440. The cubic root of 402233331 is about 738.1750324773.

Adding to 402233331 its reverse (133332204), we get a palindrome (535565535).

The spelling of 402233331 in words is "four hundred two million, two hundred thirty-three thousand, three hundred thirty-one".