22246321 has 8 divisors (see below), whose sum is σ = 23715200. Its totient is φ = 20807280.

The previous prime is 22246309. The next prime is 22246327. The reversal of 22246321 is 12364222.

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

It is a de Polignac number, because none of the positive numbers 2^k-22246321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22246292 and 22246301.

It is not an unprimeable number, because it can be changed into a prime (22246327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5910 + ... + 8911.

It is an arithmetic number, because the mean of its divisors is an integer number (2964400).

Almost surely, 2^22246321 is an apocalyptic number.

It is an amenable number.

22246321 is a deficient number, since it is larger than the sum of its proper divisors (1468879).

22246321 is a wasteful number, since it uses less digits than its factorization.

22246321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919.

The product of its digits is 1152, while the sum is 22.

The square root of 22246321 is about 4716.6005766866. The cubic root of 22246321 is about 281.2458135344.

The spelling of 22246321 in words is "twenty-two million, two hundred forty-six thousand, three hundred twenty-one".