223022477 has 2 divisors, whose sum is σ = 223022478. Its totient is φ = 223022476.

The previous prime is 223022461. The next prime is 223022479. The reversal of 223022477 is 774220322.

It is a happy number.

223022477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206611876 + 16410601 = 14374^2 + 4051^2 .

It is a cyclic number.

It is not a de Polignac number, because 223022477 - 2⁴ = 223022461 is a prime.

Together with 223022479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223022479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111511238 + 111511239.

It is an arithmetic number, because the mean of its divisors is an integer number (111511239).

Almost surely, 2^223022477 is an apocalyptic number.

It is an amenable number.

223022477 is a deficient number, since it is larger than the sum of its proper divisors (1).

223022477 is an equidigital number, since it uses as much as digits as its factorization.

223022477 is an evil number, because the sum of its binary digits is even.

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

The square root of 223022477 is about 14933.9370897296. The cubic root of 223022477 is about 606.4330729639.

Adding to 223022477 its reverse (774220322), we get a palindrome (997242799).

The spelling of 223022477 in words is "two hundred twenty-three million, twenty-two thousand, four hundred seventy-seven".