422620202 has 4 divisors (see below), whose sum is σ = 633930306. Its totient is φ = 211310100.

The previous prime is 422620199. The next prime is 422620213. The reversal of 422620202 is 202026224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 422261401 + 358801 = 20549^2 + 599^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105655049 + ... + 105655052.

Almost surely, 2^422620202 is an apocalyptic number.

422620202 is a deficient number, since it is larger than the sum of its proper divisors (211310104).

422620202 is a wasteful number, since it uses less digits than its factorization.

422620202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211310103.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422620202 is about 20557.7285223830. The cubic root of 422620202 is about 750.4413414246.

Adding to 422620202 its reverse (202026224), we get a palindrome (624646426).

The spelling of 422620202 in words is "four hundred twenty-two million, six hundred twenty thousand, two hundred two".