22356243630 has 144 divisors (see below), whose sum is σ = 67802495904. Its totient is φ = 5095923840.

The previous prime is 22356243607. The next prime is 22356243643. The reversal of 22356243630 is 3634265322.

22356243630 is a `hidden beast` number, since 2 + 2 + 356 + 243 + 63 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1638135 + ... + 1651725.

It is an arithmetic number, because the mean of its divisors is an integer number (470850666).

Almost surely, 2^22356243630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22356243630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33901247952).

22356243630 is an abundant number, since it is smaller than the sum of its proper divisors (45446252274).

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

22356243630 is a wasteful number, since it uses less digits than its factorization.

22356243630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13991 (or 13981 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The spelling of 22356243630 in words is "twenty-two billion, three hundred fifty-six million, two hundred forty-three thousand, six hundred thirty".