22737223 has 2 divisors, whose sum is σ = 22737224. Its totient is φ = 22737222.

The previous prime is 22737199. The next prime is 22737233. The reversal of 22737223 is 32273722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22737223 - 2¹⁷ = 22606151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22737191 and 22737200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22737233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11368611 + 11368612.

It is an arithmetic number, because the mean of its divisors is an integer number (11368612).

Almost surely, 2^22737223 is an apocalyptic number.

22737223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22737223 is an equidigital number, since it uses as much as digits as its factorization.

22737223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 28.

The square root of 22737223 is about 4768.3564254363. The cubic root of 22737223 is about 283.2994993817.

The spelling of 22737223 in words is "twenty-two million, seven hundred thirty-seven thousand, two hundred twenty-three".