22342500000 has 384 divisors, whose sum is σ = 81702915840. Its totient is φ = 5940000000.

The previous prime is 22342499981. The next prime is 22342500013. The reversal of 22342500000 is 524322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67499835 + ... + 67500165.

It is an arithmetic number, because the mean of its divisors is an integer number (212768010).

Almost surely, 2^22342500000 is an apocalyptic number.

22342500000 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 22342500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40851457920).

22342500000 is an abundant number, since it is smaller than the sum of its proper divisors (59360415840).

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

22342500000 is an frugal number, since it uses more digits than its factorization.

22342500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The spelling of 22342500000 in words is "twenty-two billion, three hundred forty-two million, five hundred thousand".