22741986642 has 16 divisors (see below), whose sum is σ = 45573338880. Its totient is φ = 7565767952.

The previous prime is 22741986629. The next prime is 22741986689. The reversal of 22741986642 is 24668914722.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 3720258 + ... + 3726365.

It is an arithmetic number, because the mean of its divisors is an integer number (2848333680).

Almost surely, 2^22741986642 is an apocalyptic number.

22741986642 is an abundant number, since it is smaller than the sum of its proper divisors (22831352238).

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

22741986642 is a wasteful number, since it uses less digits than its factorization.

22741986642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447137.

The product of its digits is 2322432, while the sum is 51.

The spelling of 22741986642 in words is "twenty-two billion, seven hundred forty-one million, nine hundred eighty-six thousand, six hundred forty-two".