22388233 has 4 divisors (see below), whose sum is σ = 25586560. Its totient is φ = 19189908.

The previous prime is 22388227. The next prime is 22388237. The reversal of 22388233 is 33288322.

It is a happy number.

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 not a de Polignac number, because 22388233 - 2⁹ = 22387721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22388195 and 22388204.

It is not an unprimeable number, because it can be changed into a prime (22388237) 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, 1599153 + ... + 1599166.

It is an arithmetic number, because the mean of its divisors is an integer number (6396640).

Almost surely, 2^22388233 is an apocalyptic number.

It is an amenable number.

22388233 is a deficient number, since it is larger than the sum of its proper divisors (3198327).

22388233 is an equidigital number, since it uses as much as digits as its factorization.

22388233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198326.

The product of its digits is 13824, while the sum is 31.

The square root of 22388233 is about 4731.6205469162. The cubic root of 22388233 is about 281.8425801820.

The spelling of 22388233 in words is "twenty-two million, three hundred eighty-eight thousand, two hundred thirty-three".