422404002 has 12 divisors (see below), whose sum is σ = 915208710. Its totient is φ = 140801328.

The previous prime is 422403997. The next prime is 422404019. The reversal of 422404002 is 200404224.

It can be written as a sum of positive squares in only one way, i.e., 312971481 + 109432521 = 17691^2 + 10461^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 23466889 = 422404002 / (4 + 2 + 2 + 4 + 0 + 4 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11733427 + ... + 11733462.

Almost surely, 2^422404002 is an apocalyptic number.

422404002 is an abundant number, since it is smaller than the sum of its proper divisors (492804708).

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

422404002 is a wasteful number, since it uses less digits than its factorization.

422404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23466897 (or 23466894 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 422404002 is about 20552.4694866578. The cubic root of 422404002 is about 750.3133517294.

Adding to 422404002 its reverse (200404224), we get a palindrome (622808226).

The spelling of 422404002 in words is "four hundred twenty-two million, four hundred four thousand, two".