22455566800 has 30 divisors (see below), whose sum is σ = 53949500198. Its totient is φ = 8982226560.

The previous prime is 22455566779. The next prime is 22455566821. The reversal of 22455566800 is 866555422.

It is an interprime number because it is at equal distance from previous prime (22455566779) and next prime (22455566821).

It can be written as a sum of positive squares in 3 ways, for example, as 59845696 + 22395721104 = 7736^2 + 149652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28069059 + ... + 28069858.

Almost surely, 2^22455566800 is an apocalyptic number.

22455566800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22455566800 is an abundant number, since it is smaller than the sum of its proper divisors (31493933398).

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

22455566800 is a wasteful number, since it uses less digits than its factorization.

22455566800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56138935 (or 56138924 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 22455566800 in words is "twenty-two billion, four hundred fifty-five million, five hundred sixty-six thousand, eight hundred".