2744222 has 24 divisors (see below), whose sum is σ = 4664304. Its totient is φ = 1208064.

The previous prime is 2744197. The next prime is 2744233. The reversal of 2744222 is 2224472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7598 + ... + 7950.

It is an arithmetic number, because the mean of its divisors is an integer number (194346).

2^2744222 is an apocalyptic number.

2744222 is a deficient number, since it is larger than the sum of its proper divisors (1920082).

2744222 is a wasteful number, since it uses less digits than its factorization.

2744222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 391 counting only the distinct ones).

The product of its digits is 1792, while the sum is 23.

The square root of 2744222 is about 1656.5693465714. The cubic root of 2744222 is about 140.0037754084.

Adding to 2744222 its reverse (2224472), we get a palindrome (4968694).

The spelling of 2744222 in words is "two million, seven hundred forty-four thousand, two hundred twenty-two".