422665202 has 4 divisors (see below), whose sum is σ = 633997806. Its totient is φ = 211332600.

The previous prime is 422665163. The next prime is 422665207. The reversal of 422665202 is 202566224.

It is a happy number.

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., 421029361 + 1635841 = 20519^2 + 1279^2 .

It is not an unprimeable number, because it can be changed into a prime (422665207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666299 + ... + 105666302.

Almost surely, 2^422665202 is an apocalyptic number.

422665202 is a deficient number, since it is larger than the sum of its proper divisors (211332604).

422665202 is a wasteful number, since it uses less digits than its factorization.

422665202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211332603.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 422665202 is about 20558.8229721451. The cubic root of 422665202 is about 750.4679757893.

The spelling of 422665202 in words is "four hundred twenty-two million, six hundred sixty-five thousand, two hundred two".