402226036 has 24 divisors (see below), whose sum is σ = 714082824. Its totient is φ = 198220800.

The previous prime is 402226003. The next prime is 402226037. The reversal of 402226036 is 630622204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63297936 + 338928100 = 7956^2 + 18410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402226036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402226037) 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, 91996 + ... + 96268.

It is an arithmetic number, because the mean of its divisors is an integer number (29753451).

Almost surely, 2^402226036 is an apocalyptic number.

It is an amenable number.

402226036 is a deficient number, since it is larger than the sum of its proper divisors (311856788).

402226036 is a wasteful number, since it uses less digits than its factorization.

402226036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 402226036 is about 20055.5736891269. The cubic root of 402226036 is about 738.1705698773.

The spelling of 402226036 in words is "four hundred two million, two hundred twenty-six thousand, thirty-six".