422604442 has 12 divisors (see below), whose sum is σ = 686420190. Its totient is φ = 195048048.

The previous prime is 422604439. The next prime is 422604451. The reversal of 422604442 is 244406224.

It can be written as a sum of positive squares in 3 ways, for example, as 86285521 + 336318921 = 9289^2 + 18339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422604442.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624817 + ... + 625492.

Almost surely, 2^422604442 is an apocalyptic number.

422604442 is a deficient number, since it is larger than the sum of its proper divisors (263815748).

422604442 is a wasteful number, since it uses less digits than its factorization.

422604442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250337 (or 1250324 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 422604442 is about 20557.3452079786. The cubic root of 422604442 is about 750.4320130311.

The spelling of 422604442 in words is "four hundred twenty-two million, six hundred four thousand, four hundred forty-two".