222225243 has 8 divisors (see below), whose sum is σ = 300473856. Its totient is φ = 146063400.

The previous prime is 222225229. The next prime is 222225313. The reversal of 222225243 is 342522222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-222225243 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222224243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521443 + ... + 521868.

It is an arithmetic number, because the mean of its divisors is an integer number (37559232).

Almost surely, 2^222225243 is an apocalyptic number.

222225243 is a deficient number, since it is larger than the sum of its proper divisors (78248613).

222225243 is a wasteful number, since it uses less digits than its factorization.

222225243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043385.

The product of its digits is 3840, while the sum is 24.

The square root of 222225243 is about 14907.2211696211. The cubic root of 222225243 is about 605.7096088237.

Adding to 222225243 its reverse (342522222), we get a palindrome (564747465).

The spelling of 222225243 in words is "two hundred twenty-two million, two hundred twenty-five thousand, two hundred forty-three".