22198258164 has 144 divisors (see below), whose sum is σ = 57053808000. Its totient is φ = 6693857280.

The previous prime is 22198258153. The next prime is 22198258213. The reversal of 22198258164 is 46185289122.

It is a congruent number.

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, 39012472 + ... + 39013040.

It is an arithmetic number, because the mean of its divisors is an integer number (396207000).

Almost surely, 2^22198258164 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 22198258164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28526904000).

22198258164 is an abundant number, since it is smaller than the sum of its proper divisors (34855549836).

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

22198258164 is a wasteful number, since it uses less digits than its factorization.

22198258164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 821 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The spelling of 22198258164 in words is "twenty-two billion, one hundred ninety-eight million, two hundred fifty-eight thousand, one hundred sixty-four".