2742222 has 32 divisors (see below), whose sum is σ = 6336000. Its totient is φ = 775008.

The previous prime is 2742217. The next prime is 2742227. The reversal of 2742222 is 2222472.

It is an interprime number because it is at equal distance from previous prime (2742217) and next prime (2742227).

It is a Harshad number since it is a multiple of its sum of digits (21).

2742222 is a modest number, since divided by 2222 gives 274 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4279 + ... + 4877.

It is an arithmetic number, because the mean of its divisors is an integer number (198000).

2^2742222 is an apocalyptic number.

2742222 is an abundant number, since it is smaller than the sum of its proper divisors (3593778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2742222 is a wasteful number, since it uses less digits than its factorization.

2742222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its digits is 896, while the sum is 21.

The square root of 2742222 is about 1655.9655793524. The cubic root of 2742222 is about 139.9697553714.

Adding to 2742222 its reverse (2222472), we get a palindrome (4964694).

The spelling of 2742222 in words is "two million, seven hundred forty-two thousand, two hundred twenty-two".