2897222 has 4 divisors (see below), whose sum is σ = 4345836. Its totient is φ = 1448610.

The previous prime is 2897197. The next prime is 2897227. The reversal of 2897222 is 2227982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2227982 = 2 ⋅1113991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724304 + ... + 724307.

It is an arithmetic number, because the mean of its divisors is an integer number (1086459).

2^2897222 is an apocalyptic number.

2897222 is a deficient number, since it is larger than the sum of its proper divisors (1448614).

2897222 is a wasteful number, since it uses less digits than its factorization.

2897222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448613.

The product of its digits is 8064, while the sum is 32.

The square root of 2897222 is about 1702.1227922803. The cubic root of 2897222 is about 142.5587651338.

The spelling of 2897222 in words is "two million, eight hundred ninety-seven thousand, two hundred twenty-two".