22193499328 has 224 divisors, whose sum is σ = 62246499840. Its totient is φ = 7561175040.

The previous prime is 22193499299. The next prime is 22193499331. The reversal of 22193499328 is 82399439122.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1208100 + ... + 1226332.

It is an arithmetic number, because the mean of its divisors is an integer number (277886160).

Almost surely, 2^22193499328 is an apocalyptic number.

22193499328 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 22193499328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31123249920).

22193499328 is an abundant number, since it is smaller than the sum of its proper divisors (40053000512).

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

22193499328 is a wasteful number, since it uses less digits than its factorization.

22193499328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18295 (or 18285 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The spelling of 22193499328 in words is "twenty-two billion, one hundred ninety-three million, four hundred ninety-nine thousand, three hundred twenty-eight".