422774288 has 40 divisors (see below), whose sum is σ = 851716320. Its totient is φ = 203132160.

The previous prime is 422774281. The next prime is 422774291. The reversal of 422774288 is 882477224.

It is not an unprimeable number, because it can be changed into a prime (422774281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39143 + ... + 48761.

It is an arithmetic number, because the mean of its divisors is an integer number (21292908).

Almost surely, 2^422774288 is an apocalyptic number.

It is an amenable number.

422774288 is an abundant number, since it is smaller than the sum of its proper divisors (428942032).

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

422774288 is a wasteful number, since it uses less digits than its factorization.

422774288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9735 (or 9729 counting only the distinct ones).

The product of its digits is 401408, while the sum is 44.

The square root of 422774288 is about 20561.4758225182. The cubic root of 422774288 is about 750.5325331958.

The spelling of 422774288 in words is "four hundred twenty-two million, seven hundred seventy-four thousand, two hundred eighty-eight".