2222345 has 4 divisors (see below), whose sum is σ = 2666820. Its totient is φ = 1777872.

The previous prime is 2222333. The next prime is 2222351. The reversal of 2222345 is 5432222.

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 1577536 + 644809 = 1256^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222345 - 2⁶ = 2222281 is a prime.

It is a plaindrome in base 10.

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, 222230 + ... + 222239.

It is an arithmetic number, because the mean of its divisors is an integer number (666705).

2^2222345 is an apocalyptic number.

It is an amenable number.

2222345 is a deficient number, since it is larger than the sum of its proper divisors (444475).

2222345 is an equidigital number, since it uses as much as digits as its factorization.

2222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444474.

The product of its digits is 960, while the sum is 20.

The square root of 2222345 is about 1490.7531653496. The cubic root of 2222345 is about 130.4979912884.

Adding to 2222345 its reverse (5432222), we get a palindrome (7654567).

The spelling of 2222345 in words is "two million, two hundred twenty-two thousand, three hundred forty-five".