22407294720 has 288 divisors, whose sum is σ = 77829208128. Its totient is φ = 5471207424.

The previous prime is 22407294709. The next prime is 22407294731. The reversal of 22407294720 is 2749270422.

It is an interprime number because it is at equal distance from previous prime (22407294709) and next prime (22407294731).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2410722 + ... + 2419998.

It is an arithmetic number, because the mean of its divisors is an integer number (270240306).

Almost surely, 2^22407294720 is an apocalyptic number.

22407294720 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 22407294720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38914604064).

22407294720 is an abundant number, since it is smaller than the sum of its proper divisors (55421913408).

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

22407294720 is a wasteful number, since it uses less digits than its factorization.

22407294720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355 (or 9341 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 22407294720 in words is "twenty-two billion, four hundred seven million, two hundred ninety-four thousand, seven hundred twenty".