23221348 has 12 divisors (see below), whose sum is σ = 41735932. Its totient is φ = 11296800.

The previous prime is 23221327. The next prime is 23221349. The reversal of 23221348 is 84312232.

It can be written as a sum of positive squares in 2 ways, for example, as 11985444 + 11235904 = 3462^2 + 3352^2 .

It is not an unprimeable number, because it can be changed into a prime (23221349) 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, 78303 + ... + 78598.

Almost surely, 2^23221348 is an apocalyptic number.

It is an amenable number.

23221348 is a deficient number, since it is larger than the sum of its proper divisors (18514584).

23221348 is a wasteful number, since it uses less digits than its factorization.

23221348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156942 (or 156940 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 23221348 is about 4818.8533905899. The cubic root of 23221348 is about 285.2960829808.

The spelling of 23221348 in words is "twenty-three million, two hundred twenty-one thousand, three hundred forty-eight".