22059993 has 8 divisors (see below), whose sum is σ = 29439648.
Its totient is φ = 14693504.
The previous prime is 22059977. The next prime is 22059997. The reversal of 22059993 is 39995022.
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 22059993 - 24 = 22059977 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (22059997) 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, 1705 + ... + 6857.
It is an arithmetic number, because the mean of its divisors is an integer number (3679956).
Almost surely, 222059993 is an apocalyptic number.
It is an amenable number.
22059993 is a deficient number, since it is larger than the sum of its proper divisors (7379655).
22059993 is a wasteful number, since it uses less digits than its factorization.
22059993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6583.
The product of its (nonzero) digits is 43740, while the sum is 39.
The square root of 22059993 is about 4696.8066811399.
The cubic root of 22059993 is about 280.4584030258.
The spelling of 22059993 in words is "twenty-two million, fifty-nine thousand, nine hundred ninety-three".