402229926 has 120 divisors (see below), whose sum is σ = 1046072664. Its totient is φ = 111625920.

The previous prime is 402229897. The next prime is 402229931. The reversal of 402229926 is 629922204.

It is a happy number.

402229926 is a `hidden beast` number, since 402 + 229 + 9 + 26 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1771825 + ... + 1772051.

Almost surely, 2^402229926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402229926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523036332).

402229926 is an abundant number, since it is smaller than the sum of its proper divisors (643842738).

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

402229926 is a wasteful number, since it uses less digits than its factorization.

402229926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 402229926 is about 20055.6706694142. The cubic root of 402229926 is about 738.1729495295.

The spelling of 402229926 in words is "four hundred two million, two hundred twenty-nine thousand, nine hundred twenty-six".