2647222 has 4 divisors (see below), whose sum is σ = 3970836. Its totient is φ = 1323610.

The previous prime is 2647193. The next prime is 2647243. The reversal of 2647222 is 2227462.

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

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, 661804 + ... + 661807.

It is an arithmetic number, because the mean of its divisors is an integer number (992709).

2^2647222 is an apocalyptic number.

2647222 is a deficient number, since it is larger than the sum of its proper divisors (1323614).

2647222 is a wasteful number, since it uses less digits than its factorization.

2647222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323613.

The product of its digits is 2688, while the sum is 25.

The square root of 2647222 is about 1627.0285799580. The cubic root of 2647222 is about 138.3343778247.

The spelling of 2647222 in words is "two million, six hundred forty-seven thousand, two hundred twenty-two".