22098422808 has 256 divisors, whose sum is σ = 81034214400. Its totient is φ = 5402142720.

The previous prime is 22098422779. The next prime is 22098422837. The reversal of 22098422808 is 80822489022.

It is an interprime number because it is at equal distance from previous prime (22098422779) and next prime (22098422837).

It is a super-2 number, since 2×22098422808² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 243666 + ... + 321822.

It is an arithmetic number, because the mean of its divisors is an integer number (316539900).

Almost surely, 2^22098422808 is an apocalyptic number.

22098422808 is a gapful number since it is divisible by the number (28) 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 22098422808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40517107200).

22098422808 is an abundant number, since it is smaller than the sum of its proper divisors (58935791592).

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

22098422808 is a wasteful number, since it uses less digits than its factorization.

22098422808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78207 (or 78197 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 22098422808 in words is "twenty-two billion, ninety-eight million, four hundred twenty-two thousand, eight hundred eight".