22665199455 has 24 divisors (see below), whose sum is σ = 39299577408. Its totient is φ = 12084035136.

The previous prime is 22665199451. The next prime is 22665199481. The reversal of 22665199455 is 55499156622.

22665199455 is a `hidden beast` number, since 22 + 66 + 519 + 9 + 45 + 5 = 666.

It is not a de Polignac number, because 22665199455 - 2² = 22665199451 is a prime.

It is a super-2 number, since 2×22665199455² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22665199451) 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, 52729 + ... + 219341.

It is an arithmetic number, because the mean of its divisors is an integer number (1637482392).

Almost surely, 2^22665199455 is an apocalyptic number.

22665199455 is a deficient number, since it is larger than the sum of its proper divisors (16634377953).

22665199455 is a wasteful number, since it uses less digits than its factorization.

22665199455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169647 (or 169644 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The spelling of 22665199455 in words is "twenty-two billion, six hundred sixty-five million, one hundred ninety-nine thousand, four hundred fifty-five".