422856502 has 4 divisors (see below), whose sum is σ = 634284756. Its totient is φ = 211428250.

The previous prime is 422856451. The next prime is 422856503. The reversal of 422856502 is 205658224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422856503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105714124 + ... + 105714127.

It is an arithmetic number, because the mean of its divisors is an integer number (158571189).

Almost surely, 2^422856502 is an apocalyptic number.

422856502 is a deficient number, since it is larger than the sum of its proper divisors (211428254).

422856502 is a wasteful number, since it uses less digits than its factorization.

422856502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211428253.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 422856502 is about 20563.4749495313. The cubic root of 422856502 is about 750.5811803377.

The spelling of 422856502 in words is "four hundred twenty-two million, eight hundred fifty-six thousand, five hundred two".