23772227 has 2 divisors, whose sum is σ = 23772228. Its totient is φ = 23772226.

The previous prime is 23772209. The next prime is 23772233. The reversal of 23772227 is 72227732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23772227 - 2¹⁶ = 23706691 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23772193 and 23772202.

It is not a weakly prime, because it can be changed into another prime (23772247) by changing a digit.

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 as a sum of consecutive naturals, namely, 11886113 + 11886114.

It is an arithmetic number, because the mean of its divisors is an integer number (11886114).

Almost surely, 2^23772227 is an apocalyptic number.

23772227 is a deficient number, since it is larger than the sum of its proper divisors (1).

23772227 is an equidigital number, since it uses as much as digits as its factorization.

23772227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 32.

The square root of 23772227 is about 4875.6770811858. The cubic root of 23772227 is about 287.5344966798.

Adding to 23772227 its reverse (72227732), we get a palindrome (95999959).

The spelling of 23772227 in words is "twenty-three million, seven hundred seventy-two thousand, two hundred twenty-seven".