22093621 has 8 divisors (see below), whose sum is σ = 24933600. Its totient is φ = 19392240.

The previous prime is 22093609. The next prime is 22093661. The reversal of 22093621 is 12639022.

It is a happy number.

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 22093621 - 2⁷ = 22093493 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 (22093601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34311 + ... + 34948.

It is an arithmetic number, because the mean of its divisors is an integer number (3116700).

Almost surely, 2^22093621 is an apocalyptic number.

It is an amenable number.

22093621 is a deficient number, since it is larger than the sum of its proper divisors (2839979).

22093621 is a wasteful number, since it uses less digits than its factorization.

22093621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69299.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 22093621 is about 4700.3851969812. The cubic root of 22093621 is about 280.6008398636.

The spelling of 22093621 in words is "twenty-two million, ninety-three thousand, six hundred twenty-one".