22206326442 has 16 divisors (see below), whose sum is σ = 46343638080. Its totient is φ = 7080277952.

The previous prime is 22206326413. The next prime is 22206326489. The reversal of 22206326442 is 24462360222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80457567 + ... + 80457842.

It is an arithmetic number, because the mean of its divisors is an integer number (2896477380).

Almost surely, 2^22206326442 is an apocalyptic number.

22206326442 is an abundant number, since it is smaller than the sum of its proper divisors (24137311638).

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

22206326442 is a wasteful number, since it uses less digits than its factorization.

22206326442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160915437.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 22206326442 its reverse (24462360222), we get a palindrome (46668686664).

The spelling of 22206326442 in words is "twenty-two billion, two hundred six million, three hundred twenty-six thousand, four hundred forty-two".