222630627 has 4 divisors (see below), whose sum is σ = 296840840. Its totient is φ = 148420416.

The previous prime is 222630557. The next prime is 222630631. The reversal of 222630627 is 726036222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222630627 - 2⁸ = 222630371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222630594 and 222630603.

It is not an unprimeable number, because it can be changed into a prime (222630637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37105102 + ... + 37105107.

It is an arithmetic number, because the mean of its divisors is an integer number (74210210).

Almost surely, 2^222630627 is an apocalyptic number.

222630627 is a deficient number, since it is larger than the sum of its proper divisors (74210213).

222630627 is an equidigital number, since it uses as much as digits as its factorization.

222630627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74210212.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 222630627 is about 14920.8118746937. The cubic root of 222630627 is about 606.0776975609.

Adding to 222630627 its reverse (726036222), we get a palindrome (948666849).

The spelling of 222630627 in words is "two hundred twenty-two million, six hundred thirty thousand, six hundred twenty-seven".