2270222 has 4 divisors (see below), whose sum is σ = 3405336. Its totient is φ = 1135110.

The previous prime is 2270201. The next prime is 2270239. The reversal of 2270222 is 2220722.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2270222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567554 + ... + 567557.

It is an arithmetic number, because the mean of its divisors is an integer number (851334).

2^2270222 is an apocalyptic number.

2270222 is a deficient number, since it is larger than the sum of its proper divisors (1135114).

2270222 is a wasteful number, since it uses less digits than its factorization.

2270222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135113.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 2270222 is about 1506.7255888183. The cubic root of 2270222 is about 131.4284671212.

Adding to 2270222 its reverse (2220722), we get a palindrome (4490944).

The spelling of 2270222 in words is "two million, two hundred seventy thousand, two hundred twenty-two".