23222549 has 4 divisors (see below), whose sum is σ = 26540064. Its totient is φ = 19905036.

The previous prime is 23222543. The next prime is 23222567. The reversal of 23222549 is 94522232.

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 23222549 - 2⁸ = 23222293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1658747 + ... + 1658760.

It is an arithmetic number, because the mean of its divisors is an integer number (6635016).

Almost surely, 2^23222549 is an apocalyptic number.

It is an amenable number.

23222549 is a deficient number, since it is larger than the sum of its proper divisors (3317515).

23222549 is an equidigital number, since it uses as much as digits as its factorization.

23222549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317514.

The product of its digits is 8640, while the sum is 29.

The square root of 23222549 is about 4818.9780036850. The cubic root of 23222549 is about 285.3010013673.

The spelling of 23222549 in words is "twenty-three million, two hundred twenty-two thousand, five hundred forty-nine".