22628767698 has 48 divisors (see below), whose sum is σ = 49769306496. Its totient is φ = 7429242240.

The previous prime is 22628767691. The next prime is 22628767709. The reversal of 22628767698 is 89676782622.

It is a super-2 number, since 2×22628767698² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22628767691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1350186 + ... + 1366842.

It is an arithmetic number, because the mean of its divisors is an integer number (1036860552).

Almost surely, 2^22628767698 is an apocalyptic number.

22628767698 is an abundant number, since it is smaller than the sum of its proper divisors (27140538798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22628767698 is a wasteful number, since it uses less digits than its factorization.

22628767698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17799 (or 17796 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 22628767698 in words is "twenty-two billion, six hundred twenty-eight million, seven hundred sixty-seven thousand, six hundred ninety-eight".