22098523788 has 192 divisors, whose sum is σ = 66731696640. Its totient is φ = 6301912320.

The previous prime is 22098523721. The next prime is 22098523789. The reversal of 22098523788 is 88732589022.

It is a happy number.

22098523788 is a `hidden beast` number, since 2 + 20 + 98 + 523 + 7 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22098523789) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2439195 + ... + 2448237.

It is an arithmetic number, because the mean of its divisors is an integer number (347560920).

Almost surely, 2^22098523788 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 22098523788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33365848320).

22098523788 is an abundant number, since it is smaller than the sum of its proper divisors (44633172852).

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

22098523788 is a wasteful number, since it uses less digits than its factorization.

22098523788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9076 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 22098523788 in words is "twenty-two billion, ninety-eight million, five hundred twenty-three thousand, seven hundred eighty-eight".