422440402 has 8 divisors (see below), whose sum is σ = 661211136. Its totient is φ = 202036692.

The previous prime is 422440399. The next prime is 422440411. The reversal of 422440402 is 204044224.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 4591698 + ... + 4591789.

It is an arithmetic number, because the mean of its divisors is an integer number (82651392).

Almost surely, 2^422440402 is an apocalyptic number.

422440402 is a deficient number, since it is larger than the sum of its proper divisors (238770734).

422440402 is a wasteful number, since it uses less digits than its factorization.

422440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183512.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 422440402 is about 20553.3550059352. The cubic root of 422440402 is about 750.3349034677.

Adding to 422440402 its reverse (204044224), we get a palindrome (626484626).

The spelling of 422440402 in words is "four hundred twenty-two million, four hundred forty thousand, four hundred two".