23054221 has 2 divisors, whose sum is σ = 23054222. Its totient is φ = 23054220.

The previous prime is 23054189. The next prime is 23054233. The reversal of 23054221 is 12245032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18275625 + 4778596 = 4275^2 + 2186^2 .

It is a cyclic number.

It is not a de Polignac number, because 23054221 - 2⁵ = 23054189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23054021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11527110 + 11527111.

It is an arithmetic number, because the mean of its divisors is an integer number (11527111).

Almost surely, 2^23054221 is an apocalyptic number.

It is an amenable number.

23054221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23054221 is an equidigital number, since it uses as much as digits as its factorization.

23054221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23054221 is about 4801.4811256528. The cubic root of 23054221 is about 284.6099969706.

Adding to 23054221 its reverse (12245032), we get a palindrome (35299253).

The spelling of 23054221 in words is "twenty-three million, fifty-four thousand, two hundred twenty-one".