22402042022 has 4 divisors (see below), whose sum is σ = 33603063036. Its totient is φ = 11201021010.

The previous prime is 22402042007. The next prime is 22402042099. The reversal of 22402042022 is 22024020422.

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 = 22402041985 and 22402042003.

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, 5600510504 + ... + 5600510507.

It is an arithmetic number, because the mean of its divisors is an integer number (8400765759).

Almost surely, 2^22402042022 is an apocalyptic number.

22402042022 is a deficient number, since it is larger than the sum of its proper divisors (11201021014).

22402042022 is a wasteful number, since it uses less digits than its factorization.

22402042022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201021013.

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

Adding to 22402042022 its reverse (22024020422), we get a palindrome (44426062444).

The spelling of 22402042022 in words is "twenty-two billion, four hundred two million, forty-two thousand, twenty-two".