22630229 has 4 divisors (see below), whose sum is σ = 23614176. Its totient is φ = 21646284.

The previous prime is 22630189. The next prime is 22630241. The reversal of 22630229 is 92203622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22630229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22630198 and 22630207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491939 + ... + 491984.

It is an arithmetic number, because the mean of its divisors is an integer number (5903544).

Almost surely, 2^22630229 is an apocalyptic number.

It is an amenable number.

22630229 is a deficient number, since it is larger than the sum of its proper divisors (983947).

22630229 is an equidigital number, since it uses as much as digits as its factorization.

22630229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983946.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22630229 is about 4757.1240261318. The cubic root of 22630229 is about 282.8544286644.

The spelling of 22630229 in words is "twenty-two million, six hundred thirty thousand, two hundred twenty-nine".