22396635428 has 12 divisors (see below), whose sum is σ = 39195661680. Its totient is φ = 11197874952.

The previous prime is 22396635419. The next prime is 22396635433. The reversal of 22396635428 is 82453669322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20363 + ... + 212621.

It is an arithmetic number, because the mean of its divisors is an integer number (3266305140).

Almost surely, 2^22396635428 is an apocalyptic number.

It is an amenable number.

22396635428 is a deficient number, since it is larger than the sum of its proper divisors (16799026252).

22396635428 is a wasteful number, since it uses less digits than its factorization.

22396635428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221386 (or 221384 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 50.

The spelling of 22396635428 in words is "twenty-two billion, three hundred ninety-six million, six hundred thirty-five thousand, four hundred twenty-eight".