2747222 has 4 divisors (see below), whose sum is σ = 4120836. Its totient is φ = 1373610.

The previous prime is 2747221. The next prime is 2747231. The reversal of 2747222 is 2227472.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2747191 and 2747200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686804 + ... + 686807.

It is an arithmetic number, because the mean of its divisors is an integer number (1030209).

2^2747222 is an apocalyptic number.

2747222 is a deficient number, since it is larger than the sum of its proper divisors (1373614).

2747222 is a wasteful number, since it uses less digits than its factorization.

2747222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373613.

The product of its digits is 3136, while the sum is 26.

The square root of 2747222 is about 1657.4745850239. The cubic root of 2747222 is about 140.0547744853.

The spelling of 2747222 in words is "two million, seven hundred forty-seven thousand, two hundred twenty-two".