22196498688 has 504 divisors, whose sum is σ = 81821385408. Its totient is φ = 5849542656.

The previous prime is 22196498677. The next prime is 22196498689. The reversal of 22196498688 is 88689469122.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22196498689) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16982131 + ... + 16983437.

Almost surely, 2^22196498688 is an apocalyptic number.

22196498688 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 22196498688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40910692704).

22196498688 is an abundant number, since it is smaller than the sum of its proper divisors (59624886720).

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

22196498688 is an equidigital number, since it uses as much as digits as its factorization.

22196498688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1332 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The spelling of 22196498688 in words is "twenty-two billion, one hundred ninety-six million, four hundred ninety-eight thousand, six hundred eighty-eight".