2597222 has 4 divisors (see below), whose sum is σ = 3895836. Its totient is φ = 1298610.

The previous prime is 2597207. The next prime is 2597233. The reversal of 2597222 is 2227952.

2597222 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 is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649304 + ... + 649307.

It is an arithmetic number, because the mean of its divisors is an integer number (973959).

2^2597222 is an apocalyptic number.

2597222 is a deficient number, since it is larger than the sum of its proper divisors (1298614).

2597222 is a wasteful number, since it uses less digits than its factorization.

2597222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298613.

The product of its digits is 5040, while the sum is 29.

The square root of 2597222 is about 1611.5898982061. The cubic root of 2597222 is about 137.4578956483.

The spelling of 2597222 in words is "two million, five hundred ninety-seven thousand, two hundred twenty-two".