402226852 has 24 divisors (see below), whose sum is σ = 754358976. Its totient is φ = 187168608.

The previous prime is 402226849. The next prime is 402226873. The reversal of 402226852 is 258622204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55678 + ... + 62485.

It is an arithmetic number, because the mean of its divisors is an integer number (31431624).

Almost surely, 2^402226852 is an apocalyptic number.

It is an amenable number.

402226852 is a deficient number, since it is larger than the sum of its proper divisors (352132124).

402226852 is a wasteful number, since it uses less digits than its factorization.

402226852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118227 (or 118225 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 402226852 is about 20055.5940325885. The cubic root of 402226852 is about 738.1710690550.

It can be divided in two parts, 40222 and 6852, that added together give a palindrome (47074).

The spelling of 402226852 in words is "four hundred two million, two hundred twenty-six thousand, eight hundred fifty-two".