22072367898 has 96 divisors (see below), whose sum is σ = 55773020160. Its totient is φ = 6178667040.

The previous prime is 22072367893. The next prime is 22072367899. The reversal of 22072367898 is 89876327022.

It is not an unprimeable number, because it can be changed into a prime (22072367893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1295511 + ... + 1312437.

It is an arithmetic number, because the mean of its divisors is an integer number (580968960).

Almost surely, 2^22072367898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22072367898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27886510080).

22072367898 is an abundant number, since it is smaller than the sum of its proper divisors (33700652262).

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

22072367898 is a wasteful number, since it uses less digits than its factorization.

22072367898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17152 (or 17149 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 22072367898 in words is "twenty-two billion, seventy-two million, three hundred sixty-seven thousand, eight hundred ninety-eight".