22634877691 has 16 divisors (see below), whose sum is σ = 23858613504. Its totient is φ = 21431434464.

The previous prime is 22634877689. The next prime is 22634877739. The reversal of 22634877691 is 19677843622.

It is a cyclic number.

It is not a de Polignac number, because 22634877691 - 2¹ = 22634877689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22634877611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4001221 + ... + 4006873.

It is an arithmetic number, because the mean of its divisors is an integer number (1491163344).

Almost surely, 2^22634877691 is an apocalyptic number.

22634877691 is a deficient number, since it is larger than the sum of its proper divisors (1223735813).

22634877691 is a wasteful number, since it uses less digits than its factorization.

22634877691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410.

The product of its digits is 6096384, while the sum is 55.

The spelling of 22634877691 in words is "twenty-two billion, six hundred thirty-four million, eight hundred seventy-seven thousand, six hundred ninety-one".