22280988338 has 16 divisors (see below), whose sum is σ = 39228304704. Its totient is φ = 9290913840.

The previous prime is 22280988319. The next prime is 22280988349. The reversal of 22280988338 is 83388908222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22280988338.

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, 21506228 + ... + 21507263.

It is an arithmetic number, because the mean of its divisors is an integer number (2451769044).

Almost surely, 2^22280988338 is an apocalyptic number.

22280988338 is a deficient number, since it is larger than the sum of its proper divisors (16947316366).

22280988338 is a wasteful number, since it uses less digits than its factorization.

22280988338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43013537.

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 22280988338 in words is "twenty-two billion, two hundred eighty million, nine hundred eighty-eight thousand, three hundred thirty-eight".