22293240764 has 6 divisors (see below), whose sum is σ = 39013171344. Its totient is φ = 11146620380.

The previous prime is 22293240763. The next prime is 22293240787. The reversal of 22293240764 is 46704239222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22293240763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786655092 + ... + 2786655099.

It is an arithmetic number, because the mean of its divisors is an integer number (6502195224).

Almost surely, 2^22293240764 is an apocalyptic number.

It is an amenable number.

22293240764 is a deficient number, since it is larger than the sum of its proper divisors (16719930580).

22293240764 is a wasteful number, since it uses less digits than its factorization.

22293240764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573310195 (or 5573310193 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

Adding to 22293240764 its reverse (46704239222), we get a palindrome (68997479986).

The spelling of 22293240764 in words is "twenty-two billion, two hundred ninety-three million, two hundred forty thousand, seven hundred sixty-four".