402222426 has 16 divisors (see below), whose sum is σ = 811826400. Its totient is φ = 132843888.

The previous prime is 402222409. The next prime is 402222433. The reversal of 402222426 is 624222204.

It is a junction number, because it is equal to n+sod(n) for n = 402222396 and 402222405.

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, 306856 + ... + 308163.

It is an arithmetic number, because the mean of its divisors is an integer number (50739150).

Almost surely, 2^402222426 is an apocalyptic number.

402222426 is an abundant number, since it is smaller than the sum of its proper divisors (409603974).

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

402222426 is a wasteful number, since it uses less digits than its factorization.

402222426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615133.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 402222426 is about 20055.4836890064. The cubic root of 402222426 is about 738.1683614973.

The spelling of 402222426 in words is "four hundred two million, two hundred twenty-two thousand, four hundred twenty-six".