22626477666 has 24 divisors (see below), whose sum is σ = 52795115100. Its totient is φ = 6961993056.

The previous prime is 22626477661. The next prime is 22626477667. The reversal of 22626477666 is 66677462622.

It can be written as a sum of positive squares in 2 ways, for example, as 22513502025 + 112975641 = 150045^2 + 10629^2 .

It is not an unprimeable number, because it can be changed into a prime (22626477661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48346941 + ... + 48347408.

Almost surely, 2^22626477666 is an apocalyptic number.

22626477666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22626477666 is an abundant number, since it is smaller than the sum of its proper divisors (30168637434).

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

22626477666 is a wasteful number, since it uses less digits than its factorization.

22626477666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96694370 (or 96694367 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The spelling of 22626477666 in words is "twenty-two billion, six hundred twenty-six million, four hundred seventy-seven thousand, six hundred sixty-six".