22022022042 has 16 divisors (see below), whose sum is σ = 48937826880. Its totient is φ = 7340673996.

The previous prime is 22022022041. The next prime is 22022022089. The reversal of 22022022042 is 24022022022.

It is a happy number.

22022022042 is a `hidden beast` number, since 220 + 220 + 220 + 4 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (22022022041) 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, 203907558 + ... + 203907665.

It is an arithmetic number, because the mean of its divisors is an integer number (3058614180).

Almost surely, 2^22022022042 is an apocalyptic number.

22022022042 is an abundant number, since it is smaller than the sum of its proper divisors (26915804838).

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

22022022042 is a wasteful number, since it uses less digits than its factorization.

22022022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407815234 (or 407815228 counting only the distinct ones).

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

Adding to 22022022042 its reverse (24022022022), we get a palindrome (46044044064).

The spelling of 22022022042 in words is "twenty-two billion, twenty-two million, twenty-two thousand, forty-two".