22351650804 has 36 divisors (see below), whose sum is σ = 64571436384. Its totient is φ = 6386185872.

The previous prime is 22351650803. The next prime is 22351650821. The reversal of 22351650804 is 40805615322.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22351650803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44348262 + ... + 44348765.

Almost surely, 2^22351650804 is an apocalyptic number.

It is an amenable number.

22351650804 is an abundant number, since it is smaller than the sum of its proper divisors (42219785580).

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

22351650804 is a wasteful number, since it uses less digits than its factorization.

22351650804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88697044 (or 88697039 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 22351650804 in words is "twenty-two billion, three hundred fifty-one million, six hundred fifty thousand, eight hundred four".