23221354 has 32 divisors (see below), whose sum is σ = 40170816. Its totient is φ = 9972480.

The previous prime is 23221349. The next prime is 23221361. The reversal of 23221354 is 45312232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47049 + ... + 47539.

It is an arithmetic number, because the mean of its divisors is an integer number (1255338).

Almost surely, 2^23221354 is an apocalyptic number.

23221354 is a deficient number, since it is larger than the sum of its proper divisors (16949462).

23221354 is a wasteful number, since it uses less digits than its factorization.

23221354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its digits is 1440, while the sum is 22.

The square root of 23221354 is about 4818.8540131446. The cubic root of 23221354 is about 285.2961075527.

Adding to 23221354 its reverse (45312232), we get a palindrome (68533586).

The spelling of 23221354 in words is "twenty-three million, two hundred twenty-one thousand, three hundred fifty-four".