22766453812 has 12 divisors (see below), whose sum is σ = 39843179460. Its totient is φ = 11382688256.

The previous prime is 22766453803. The next prime is 22766453867. The reversal of 22766453812 is 21835466722.

It can be written as a sum of positive squares in 2 ways, for example, as 1076233636 + 21690220176 = 32806^2 + 147276^2 .

It is a super-2 number, since 2×22766453812² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 30637 + ... + 215572.

It is an arithmetic number, because the mean of its divisors is an integer number (3320264955).

Almost surely, 2^22766453812 is an apocalyptic number.

It is an amenable number.

22766453812 is a deficient number, since it is larger than the sum of its proper divisors (17076725648).

22766453812 is a wasteful number, since it uses less digits than its factorization.

22766453812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269330 (or 269328 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 22766453812 in words is "twenty-two billion, seven hundred sixty-six million, four hundred fifty-three thousand, eight hundred twelve".