22245550664 has 48 divisors (see below), whose sum is σ = 44103455100. Its totient is φ = 10517687424.

The previous prime is 22245550643. The next prime is 22245550681. The reversal of 22245550664 is 46605554222.

It can be written as a sum of positive squares in 2 ways, for example, as 18290398564 + 3955152100 = 135242^2 + 62890^2 .

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, 1601702 + ... + 1615530.

Almost surely, 2^22245550664 is an apocalyptic number.

It is an amenable number.

22245550664 is a deficient number, since it is larger than the sum of its proper divisors (21857904436).

22245550664 is a wasteful number, since it uses less digits than its factorization.

22245550664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430 (or 14407 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 22245550664 in words is "twenty-two billion, two hundred forty-five million, five hundred fifty thousand, six hundred sixty-four".