7822244 has 24 divisors (see below), whose sum is σ = 14890680. Its totient is φ = 3580416.

The previous prime is 7822237. The next prime is 7822247. The reversal of 7822244 is 4422287.

It can be written as a sum of positive squares in 4 ways, for example, as 2439844 + 5382400 = 1562^2 + 2320^2 .

It is a super-2 number, since 2×7822244² = 122375002391072, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7822247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (620445).

Almost surely, 2^7822244 is an apocalyptic number.

7822244 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7822244 is a deficient number, since it is larger than the sum of its proper divisors (7068436).

7822244 is a wasteful number, since it uses less digits than its factorization.

7822244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167 (or 3165 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 7822244 is about 2796.8274884233. The cubic root of 7822244 is about 198.5075912812.

It can be divided in two parts, 78 and 22244, that added together give a palindrome (22322).

The spelling of 7822244 in words is "seven million, eight hundred twenty-two thousand, two hundred forty-four".