422653402 has 8 divisors (see below), whose sum is σ = 637265556. Its totient is φ = 210231552.

The previous prime is 422653391. The next prime is 422653409. The reversal of 422653402 is 204356224.

It can be written as a sum of positive squares in 2 ways, for example, as 400760361 + 21893041 = 20019^2 + 4679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (422653409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547093 + ... + 547864.

Almost surely, 2^422653402 is an apocalyptic number.

422653402 is a deficient number, since it is larger than the sum of its proper divisors (214612154).

422653402 is a wasteful number, since it uses less digits than its factorization.

422653402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095152.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 422653402 is about 20558.5359887323. The cubic root of 422653402 is about 750.4609918499.

The spelling of 422653402 in words is "four hundred twenty-two million, six hundred fifty-three thousand, four hundred two".