422440022 has 4 divisors (see below), whose sum is σ = 633660036. Its totient is φ = 211220010.

The previous prime is 422440001. The next prime is 422440049. The reversal of 422440022 is 220044224.

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

It is a junction number, because it is equal to n+sod(n) for n = 422439976 and 422440003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610004 + ... + 105610007.

It is an arithmetic number, because the mean of its divisors is an integer number (158415009).

Almost surely, 2^422440022 is an apocalyptic number.

422440022 is a deficient number, since it is larger than the sum of its proper divisors (211220014).

422440022 is a wasteful number, since it uses less digits than its factorization.

422440022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211220013.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422440022 is about 20553.3457617002. The cubic root of 422440022 is about 750.3346784834.

Adding to 422440022 its reverse (220044224), we get a palindrome (642484246).

The spelling of 422440022 in words is "four hundred twenty-two million, four hundred forty thousand, twenty-two".