22355030740 has 72 divisors (see below), whose sum is σ = 55141793280. Its totient is φ = 7457367168.

The previous prime is 22355030707. The next prime is 22355030783. The reversal of 22355030740 is 4703055322.

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, 133341 + ... + 249979.

It is an arithmetic number, because the mean of its divisors is an integer number (765858240).

Almost surely, 2^22355030740 is an apocalyptic number.

22355030740 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 22355030740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27570896640).

22355030740 is an abundant number, since it is smaller than the sum of its proper divisors (32786762540).

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

22355030740 is a wasteful number, since it uses less digits than its factorization.

22355030740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116729 (or 116690 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

The spelling of 22355030740 in words is "twenty-two billion, three hundred fifty-five million, thirty thousand, seven hundred forty".