22453641664 has 14 divisors (see below), whose sum is σ = 44556445304. Its totient is φ = 11226820800.

The previous prime is 22453641643. The next prime is 22453641731. The reversal of 22453641664 is 46614635422.

It is a self number, because there is not a number n which added to its sum of digits gives 22453641664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175419012 + ... + 175419139.

It is an arithmetic number, because the mean of its divisors is an integer number (3182603236).

Almost surely, 2^22453641664 is an apocalyptic number.

It is an amenable number.

22453641664 is a deficient number, since it is larger than the sum of its proper divisors (22102803640).

22453641664 is an equidigital number, since it uses as much as digits as its factorization.

22453641664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350838163 (or 350838153 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The spelling of 22453641664 in words is "twenty-two billion, four hundred fifty-three million, six hundred forty-one thousand, six hundred sixty-four".