422402022 has 24 divisors (see below), whose sum is σ = 1045948176. Its totient is φ = 120686256.

The previous prime is 422401963. The next prime is 422402041. The reversal of 422402022 is 220204224.

422402022 is a `hidden beast` number, since 422 + 40 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 422401986 and 422402004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1676073 + ... + 1676324.

It is an arithmetic number, because the mean of its divisors is an integer number (43581174).

Almost surely, 2^422402022 is an apocalyptic number.

422402022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

422402022 is an abundant number, since it is smaller than the sum of its proper divisors (623546154).

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

422402022 is a wasteful number, since it uses less digits than its factorization.

422402022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352412 (or 3352409 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 422402022 is about 20552.4213172074. The cubic root of 422402022 is about 750.3121793740.

Adding to 422402022 its reverse (220204224), we get a palindrome (642606246).

The spelling of 422402022 in words is "four hundred twenty-two million, four hundred two thousand, twenty-two".