22042402242 has 32 divisors (see below), whose sum is σ = 51236582400. Its totient is φ = 6191085648.

The previous prime is 22042402141. The next prime is 22042402253. The reversal of 22042402242 is 24220424022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4445142 + ... + 4450097.

It is an arithmetic number, because the mean of its divisors is an integer number (1601143200).

Almost surely, 2^22042402242 is an apocalyptic number.

22042402242 is an abundant number, since it is smaller than the sum of its proper divisors (29194180158).

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

22042402242 is a wasteful number, since it uses less digits than its factorization.

22042402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895310.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22042402242 its reverse (24220424022), we get a palindrome (46262826264).

The spelling of 22042402242 in words is "twenty-two billion, forty-two million, four hundred two thousand, two hundred forty-two".