22137223 has 8 divisors (see below), whose sum is σ = 23350320. Its totient is φ = 20928960.

The previous prime is 22137221. The next prime is 22137229. The reversal of 22137223 is 32273122.

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 22137223 - 2¹ = 22137221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22137194 and 22137203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22137221) 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, 12003 + ... + 13723.

It is an arithmetic number, because the mean of its divisors is an integer number (2918790).

Almost surely, 2^22137223 is an apocalyptic number.

22137223 is a deficient number, since it is larger than the sum of its proper divisors (1213097).

22137223 is a wasteful number, since it uses less digits than its factorization.

22137223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417.

The product of its digits is 1008, while the sum is 22.

The square root of 22137223 is about 4705.0210413982. The cubic root of 22137223 is about 280.7853081641.

The spelling of 22137223 in words is "twenty-two million, one hundred thirty-seven thousand, two hundred twenty-three".