22881223 has 2 divisors, whose sum is σ = 22881224. Its totient is φ = 22881222.

The previous prime is 22881169. The next prime is 22881253. The reversal of 22881223 is 32218822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22881223 - 2¹³ = 22873031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22881191 and 22881200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22881253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11440611 + 11440612.

It is an arithmetic number, because the mean of its divisors is an integer number (11440612).

Almost surely, 2^22881223 is an apocalyptic number.

22881223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22881223 is an equidigital number, since it uses as much as digits as its factorization.

22881223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

The square root of 22881223 is about 4783.4321360295. The cubic root of 22881223 is about 283.8963079431.

It can be divided in two parts, 22881 and 223, that added together give a square (23104 = 152²).

The spelling of 22881223 in words is "twenty-two million, eight hundred eighty-one thousand, two hundred twenty-three".