22477223 has 2 divisors, whose sum is σ = 22477224. Its totient is φ = 22477222.

The previous prime is 22477199. The next prime is 22477229. The reversal of 22477223 is 32277422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22477223 - 2¹² = 22473127 is a prime.

It is a Sophie Germain prime.

It is equal to p_1417286 and since 22477223 and 1417286 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22477229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11238611 + 11238612.

It is an arithmetic number, because the mean of its divisors is an integer number (11238612).

Almost surely, 2^22477223 is an apocalyptic number.

22477223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22477223 is an equidigital number, since it uses as much as digits as its factorization.

22477223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 29.

The square root of 22477223 is about 4741.0149757199. The cubic root of 22477223 is about 282.2155143785.

The spelling of 22477223 in words is "twenty-two million, four hundred seventy-seven thousand, two hundred twenty-three".