2491622 has 48 divisors (see below), whose sum is σ = 4937760. Its totient is φ = 919296.

The previous prime is 2491609. The next prime is 2491649. The reversal of 2491622 is 2261942.

It is a junction number, because it is equal to n+sod(n) for n = 2491591 and 2491600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85904 + ... + 85932.

It is an arithmetic number, because the mean of its divisors is an integer number (102870).

2^2491622 is an apocalyptic number.

2491622 is a deficient number, since it is larger than the sum of its proper divisors (2446138).

2491622 is a wasteful number, since it uses less digits than its factorization.

2491622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 74 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 2491622 is about 1578.4872505028. The cubic root of 2491622 is about 135.5691018841.

It can be divided in two parts, 2491 and 622, that added together give a palindrome (3113).

The spelling of 2491622 in words is "two million, four hundred ninety-one thousand, six hundred twenty-two".