422422042 has 12 divisors (see below), whose sum is σ = 737083530. Its totient is φ = 181037976.

The previous prime is 422422037. The next prime is 422422073. The reversal of 422422042 is 240224224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 361722361 + 60699681 = 19019^2 + 7791^2 .

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, 2155117 + ... + 2155312.

Almost surely, 2^422422042 is an apocalyptic number.

422422042 is a deficient number, since it is larger than the sum of its proper divisors (314661488).

422422042 is a wasteful number, since it uses less digits than its factorization.

422422042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310445 (or 4310438 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 422422042 is about 20552.9083586727. The cubic root of 422422042 is about 750.3240330203.

Adding to 422422042 its reverse (240224224), we get a palindrome (662646266).

The spelling of 422422042 in words is "four hundred twenty-two million, four hundred twenty-two thousand, forty-two".