422222402 has 16 divisors (see below), whose sum is σ = 727060992. Its totient is φ = 180139680.

The previous prime is 422222401. The next prime is 422222407. The reversal of 422222402 is 204222224.

It is not an unprimeable number, because it can be changed into a prime (422222401) 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, 64499 + ... + 70742.

It is an arithmetic number, because the mean of its divisors is an integer number (45441312).

Almost surely, 2^422222402 is an apocalyptic number.

422222402 is a deficient number, since it is larger than the sum of its proper divisors (304838590).

422222402 is a wasteful number, since it uses less digits than its factorization.

422222402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135473.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422222402 is about 20548.0510511338. The cubic root of 422222402 is about 750.2058113689.

Adding to 422222402 its reverse (204222224), we get a palindrome (626444626).

The spelling of 422222402 in words is "four hundred twenty-two million, two hundred twenty-two thousand, four hundred two".