22098657636 has 288 divisors, whose sum is σ = 66052022400. Its totient is φ = 6158592000.

The previous prime is 22098657631. The next prime is 22098657641. The reversal of 22098657636 is 63675689022.

It is an interprime number because it is at equal distance from previous prime (22098657631) and next prime (22098657641).

It is a super-2 number, since 2×22098657636² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22098657631) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40847526 + ... + 40848066.

It is an arithmetic number, because the mean of its divisors is an integer number (229347300).

Almost surely, 2^22098657636 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 22098657636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33026011200).

22098657636 is an abundant number, since it is smaller than the sum of its proper divisors (43953364764).

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

22098657636 is a wasteful number, since it uses less digits than its factorization.

22098657636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 22098657636 in words is "twenty-two billion, ninety-eight million, six hundred fifty-seven thousand, six hundred thirty-six".