22244340654 has 24 divisors (see below), whose sum is σ = 49371586992. Its totient is φ = 7233931680.

The previous prime is 22244340619. The next prime is 22244340661. The reversal of 22244340654 is 45604344222.

22244340654 is a `hidden beast` number, since 2 + 2 + 244 + 3 + 406 + 5 + 4 = 666.

It is a super-2 number, since 2×22244340654² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15069954 + ... + 15071429.

It is an arithmetic number, because the mean of its divisors is an integer number (2057149458).

Almost surely, 2^22244340654 is an apocalyptic number.

22244340654 is an abundant number, since it is smaller than the sum of its proper divisors (27127246338).

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

22244340654 is a wasteful number, since it uses less digits than its factorization.

22244340654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30141432 (or 30141429 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 22244340654 its reverse (45604344222), we get a palindrome (67848684876).

The spelling of 22244340654 in words is "twenty-two billion, two hundred forty-four million, three hundred forty thousand, six hundred fifty-four".