22420309392 has 240 divisors, whose sum is σ = 69509440000. Its totient is φ = 6702538752.

The previous prime is 22420309367. The next prime is 22420309463. The reversal of 22420309392 is 29390302422.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17949984 + ... + 17951232.

Almost surely, 2^22420309392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22420309392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34754720000).

22420309392 is an abundant number, since it is smaller than the sum of its proper divisors (47089130608).

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

22420309392 is a wasteful number, since it uses less digits than its factorization.

22420309392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 22420309392 in words is "twenty-two billion, four hundred twenty million, three hundred nine thousand, three hundred ninety-two".