22391869621 has 8 divisors (see below), whose sum is σ = 24428577600. Its totient is φ = 20355342240.

The previous prime is 22391869613. The next prime is 22391869637. The reversal of 22391869621 is 12696819322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22391869621 - 2³ = 22391869613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22391869021) by changing a digit.

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, 456360 + ... + 503038.

It is an arithmetic number, because the mean of its divisors is an integer number (3053572200).

Almost surely, 2^22391869621 is an apocalyptic number.

It is an amenable number.

22391869621 is a deficient number, since it is larger than the sum of its proper divisors (2036707979).

22391869621 is a wasteful number, since it uses less digits than its factorization.

22391869621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90299.

The product of its digits is 559872, while the sum is 49.

The spelling of 22391869621 in words is "twenty-two billion, three hundred ninety-one million, eight hundred sixty-nine thousand, six hundred twenty-one".