22179149190 has 192 divisors, whose sum is σ = 65173662720. Its totient is φ = 5322905280.

The previous prime is 22179149129. The next prime is 22179149227. The reversal of 22179149190 is 9194197122.

It is a happy number.

22179149190 is a `hidden beast` number, since 2 + 2 + 1 + 79 + 1 + 491 + 90 = 666.

It is a super-2 number, since 2×22179149190² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47902899 + ... + 47903361.

It is an arithmetic number, because the mean of its divisors is an integer number (339446160).

Almost surely, 2^22179149190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22179149190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32586831360).

22179149190 is an abundant number, since it is smaller than the sum of its proper divisors (42994513530).

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

22179149190 is a wasteful number, since it uses less digits than its factorization.

22179149190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 22179149190 in words is "twenty-two billion, one hundred seventy-nine million, one hundred forty-nine thousand, one hundred ninety".