22222078321328 has 10 divisors (see below), whose sum is σ = 43055276747604. Its totient is φ = 11111039160656.

The previous prime is 22222078321321. The next prime is 22222078321367. The reversal of 22222078321328 is 82312387022222.

It is not an unprimeable number, because it can be changed into a prime (22222078321321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694439947526 + ... + 694439947557.

Almost surely, 2^{22222078321328} is an apocalyptic number.

It is an amenable number.

22222078321328 is a deficient number, since it is larger than the sum of its proper divisors (20833198426276).

22222078321328 is a wasteful number, since it uses less digits than its factorization.

22222078321328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388879895091 (or 1388879895085 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 22222078321328 in words is "twenty-two trillion, two hundred twenty-two billion, seventy-eight million, three hundred twenty-one thousand, three hundred twenty-eight".