225222377 has 4 divisors (see below), whose sum is σ = 225261456. Its totient is φ = 225183300.

The previous prime is 225222353. The next prime is 225222391. The reversal of 225222377 is 773222522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225222377 - 2⁸ = 225222121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225222317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8999 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (56315364).

Almost surely, 2^225222377 is an apocalyptic number.

It is an amenable number.

225222377 is a deficient number, since it is larger than the sum of its proper divisors (39079).

225222377 is an equidigital number, since it uses as much as digits as its factorization.

225222377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39078.

The product of its digits is 23520, while the sum is 32.

The square root of 225222377 is about 15007.4107360330. The cubic root of 225222377 is about 608.4205101479.

Adding to 225222377 its reverse (773222522), we get a palindrome (998444899).

The spelling of 225222377 in words is "two hundred twenty-five million, two hundred twenty-two thousand, three hundred seventy-seven".