22811430720 has 168 divisors, whose sum is σ = 78426661536. Its totient is φ = 5615081472.

The previous prime is 22811430701. The next prime is 22811430731. The reversal of 22811430720 is 2703411822.

It is a super-2 number, since 2×22811430720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91939 + ... + 232541.

Almost surely, 2^22811430720 is an apocalyptic number.

22811430720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22811430720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39213330768).

22811430720 is an abundant number, since it is smaller than the sum of its proper divisors (55615230816).

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

22811430720 is a wasteful number, since it uses less digits than its factorization.

22811430720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140649 (or 140626 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 22811430720 in words is "twenty-two billion, eight hundred eleven million, four hundred thirty thousand, seven hundred twenty".