22420422242 has 4 divisors (see below), whose sum is σ = 33630633366. Its totient is φ = 11210211120.

The previous prime is 22420422217. The next prime is 22420422251. The reversal of 22420422242 is 24222402422.

22420422242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 12175136281 + 10245285961 = 110341^2 + 101219^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605105559 + ... + 5605105562.

Almost surely, 2^22420422242 is an apocalyptic number.

22420422242 is a deficient number, since it is larger than the sum of its proper divisors (11210211124).

22420422242 is a wasteful number, since it uses less digits than its factorization.

22420422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210211123.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22420422242 its reverse (24222402422), we get a palindrome (46642824664).

The spelling of 22420422242 in words is "twenty-two billion, four hundred twenty million, four hundred twenty-two thousand, two hundred forty-two".