422660220 has 24 divisors (see below), whose sum is σ = 1183448784. Its totient is φ = 112709376.

The previous prime is 422660209. The next prime is 422660233. The reversal of 422660220 is 22066224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522109 + ... + 3522228.

It is an arithmetic number, because the mean of its divisors is an integer number (49310366).

Almost surely, 2^422660220 is an apocalyptic number.

It is an amenable number.

422660220 is an abundant number, since it is smaller than the sum of its proper divisors (760788564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422660220 is a wasteful number, since it uses less digits than its factorization.

422660220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044349 (or 7044347 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 422660220 is about 20558.7018072640. The cubic root of 422660220 is about 750.4650271623.

It can be divided in two parts, 4226 and 60220, that added together give a palindrome (64446).

The spelling of 422660220 in words is "four hundred twenty-two million, six hundred sixty thousand, two hundred twenty".