22438726652 has 24 divisors (see below), whose sum is σ = 41396920320. Its totient is φ = 10626436080.

The previous prime is 22438726631. The next prime is 22438726657. The reversal of 22438726652 is 25662783422.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 22438726597 and 22438726606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22438726657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919252 + ... + 1930907.

It is an arithmetic number, because the mean of its divisors is an integer number (1724871680).

Almost surely, 2^22438726652 is an apocalyptic number.

It is an amenable number.

22438726652 is a deficient number, since it is larger than the sum of its proper divisors (18958193668).

22438726652 is a wasteful number, since it uses less digits than its factorization.

22438726652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850241 (or 3850239 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 47.

The spelling of 22438726652 in words is "twenty-two billion, four hundred thirty-eight million, seven hundred twenty-six thousand, six hundred fifty-two".