402194226 has 16 divisors (see below), whose sum is σ = 919301184. Its totient is φ = 114912624.

The previous prime is 402194183. The next prime is 402194257. The reversal of 402194226 is 622491204.

It is a junction number, because it is equal to n+sod(n) for n = 402194193 and 402194202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787985 + ... + 4788068.

It is an arithmetic number, because the mean of its divisors is an integer number (57456324).

Almost surely, 2^402194226 is an apocalyptic number.

402194226 is an abundant number, since it is smaller than the sum of its proper divisors (517106958).

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

402194226 is a wasteful number, since it uses less digits than its factorization.

402194226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576065.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 402194226 is about 20054.7806270724. The cubic root of 402194226 is about 738.1511099860.

The spelling of 402194226 in words is "four hundred two million, one hundred ninety-four thousand, two hundred twenty-six".