22313227 has 2 divisors, whose sum is σ = 22313228. Its totient is φ = 22313226.

The previous prime is 22313219. The next prime is 22313261. The reversal of 22313227 is 72231322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22313227 - 2³ = 22313219 is a prime.

It is a super-3 number, since 3×22313227³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22313198 and 22313207.

It is not a weakly prime, because it can be changed into another prime (22313527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156613 + 11156614.

It is an arithmetic number, because the mean of its divisors is an integer number (11156614).

Almost surely, 2^22313227 is an apocalyptic number.

22313227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22313227 is an equidigital number, since it uses as much as digits as its factorization.

22313227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 22.

The square root of 22313227 is about 4723.6878601364. The cubic root of 22313227 is about 281.5274810773.

Adding to 22313227 its reverse (72231322), we get a palindrome (94544549).

The spelling of 22313227 in words is "twenty-two million, three hundred thirteen thousand, two hundred twenty-seven".