22196994040 has 64 divisors (see below), whose sum is σ = 54103492800. Its totient is φ = 8195780736.

The previous prime is 22196994007. The next prime is 22196994067. The reversal of 22196994040 is 4049969122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38412 + ... + 214171.

It is an arithmetic number, because the mean of its divisors is an integer number (845367075).

Almost surely, 2^22196994040 is an apocalyptic number.

22196994040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22196994040 is an abundant number, since it is smaller than the sum of its proper divisors (31906498760).

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

22196994040 is a wasteful number, since it uses less digits than its factorization.

22196994040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252633 (or 252603 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 22196994040 in words is "twenty-two billion, one hundred ninety-six million, nine hundred ninety-four thousand, forty".