23222228 has 12 divisors (see below), whose sum is σ = 40729920. Its totient is φ = 11585112.

The previous prime is 23222219. The next prime is 23222231. The reversal of 23222228 is 82222232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4418 + ... + 8121.

It is an arithmetic number, because the mean of its divisors is an integer number (3394160).

Almost surely, 2^23222228 is an apocalyptic number.

It is an amenable number.

23222228 is a deficient number, since it is larger than the sum of its proper divisors (17507692).

23222228 is a wasteful number, since it uses less digits than its factorization.

23222228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006 (or 13004 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 23222228 is about 4818.9446977528. The cubic root of 23222228 is about 285.2996868110.

The spelling of 23222228 in words is "twenty-three million, two hundred twenty-two thousand, two hundred twenty-eight".