404226402 has 16 divisors (see below), whose sum is σ = 827254560. Its totient is φ = 131608512.

The previous prime is 404226401. The next prime is 404226413. The reversal of 404226402 is 204622404.

It is not an unprimeable number, because it can be changed into a prime (404226401) 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, 783127 + ... + 783642.

It is an arithmetic number, because the mean of its divisors is an integer number (51703410).

Almost surely, 2^404226402 is an apocalyptic number.

404226402 is an abundant number, since it is smaller than the sum of its proper divisors (423028158).

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

404226402 is a wasteful number, since it uses less digits than its factorization.

404226402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566817.

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

The square root of 404226402 is about 20105.3824136722. The cubic root of 404226402 is about 739.3922463082.

Adding to 404226402 its reverse (204622404), we get a palindrome (608848806).

The spelling of 404226402 in words is "four hundred four million, two hundred twenty-six thousand, four hundred two".