402233412 has 24 divisors (see below), whose sum is σ = 1072622656. Its totient is φ = 114923808.

The previous prime is 402233387. The next prime is 402233417. The reversal of 402233412 is 214332204.

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

It is not an unprimeable number, because it can be changed into a prime (402233417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394163 + ... + 2394330.

Almost surely, 2^402233412 is an apocalyptic number.

402233412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

402233412 is an abundant number, since it is smaller than the sum of its proper divisors (670389244).

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

402233412 is a wasteful number, since it uses less digits than its factorization.

402233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788507 (or 4788505 counting only the distinct ones).

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

The square root of 402233412 is about 20055.7575773143. The cubic root of 402233412 is about 738.1750820275.

Adding to 402233412 its reverse (214332204), we get a palindrome (616565616).

The spelling of 402233412 in words is "four hundred two million, two hundred thirty-three thousand, four hundred twelve".