2491222 has 16 divisors (see below), whose sum is σ = 4027392. Its totient is φ = 1152360.

The previous prime is 2491211. The next prime is 2491243. The reversal of 2491222 is 2221942.

It is a junction number, because it is equal to n+sod(n) for n = 2491193 and 2491202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 2299.

It is an arithmetic number, because the mean of its divisors is an integer number (251712).

2^2491222 is an apocalyptic number.

2491222 is a deficient number, since it is larger than the sum of its proper divisors (1536170).

2491222 is a wasteful number, since it uses less digits than its factorization.

2491222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its digits is 576, while the sum is 22.

The square root of 2491222 is about 1578.3605418281. The cubic root of 2491222 is about 135.5618468319.

The spelling of 2491222 in words is "two million, four hundred ninety-one thousand, two hundred twenty-two".