22351663604 has 24 divisors (see below), whose sum is σ = 39827894400. Its totient is φ = 10972736960.

The previous prime is 22351663589. The next prime is 22351663619. The reversal of 22351663604 is 40636615322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22351663589) and next prime (22351663619).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132389 + ... + 249459.

It is an arithmetic number, because the mean of its divisors is an integer number (1659495600).

Almost surely, 2^22351663604 is an apocalyptic number.

It is an amenable number.

22351663604 is a deficient number, since it is larger than the sum of its proper divisors (17476230796).

22351663604 is a wasteful number, since it uses less digits than its factorization.

22351663604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117943 (or 117941 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 22351663604 in words is "twenty-two billion, three hundred fifty-one million, six hundred sixty-three thousand, six hundred four".