22997320036 has 24 divisors (see below), whose sum is σ = 40833059904. Its totient is φ = 11330897760.

The previous prime is 22997319979. The next prime is 22997320081. The reversal of 22997320036 is 63002379922.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22997319974 and 22997320001.

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, 563331 + ... + 602773.

It is an arithmetic number, because the mean of its divisors is an integer number (1701377496).

Almost surely, 2^22997320036 is an apocalyptic number.

It is an amenable number.

22997320036 is a deficient number, since it is larger than the sum of its proper divisors (17835739868).

22997320036 is a wasteful number, since it uses less digits than its factorization.

22997320036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41571 (or 41569 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 43.

Adding to 22997320036 its reverse (63002379922), we get a palindrome (85999699958).

The spelling of 22997320036 in words is "twenty-two billion, nine hundred ninety-seven million, three hundred twenty thousand, thirty-six".