222240965 has 4 divisors (see below), whose sum is σ = 266689164. Its totient is φ = 177792768.

The previous prime is 222240947. The next prime is 222241009. The reversal of 222240965 is 569042222.

222240965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88190881 + 134050084 = 9391^2 + 11578^2 .

It is a cyclic number.

It is not a de Polignac number, because 222240965 - 2¹⁸ = 221978821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22224092 + ... + 22224101.

It is an arithmetic number, because the mean of its divisors is an integer number (66672291).

Almost surely, 2^222240965 is an apocalyptic number.

It is an amenable number.

222240965 is a deficient number, since it is larger than the sum of its proper divisors (44448199).

222240965 is an equidigital number, since it uses as much as digits as its factorization.

222240965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44448198.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 222240965 is about 14907.7484886216. The cubic root of 222240965 is about 605.7238927424.

The spelling of 222240965 in words is "two hundred twenty-two million, two hundred forty thousand, nine hundred sixty-five".