2770222 has 32 divisors (see below), whose sum is σ = 5289984. Its totient is φ = 1058400.

The previous prime is 2770217. The next prime is 2770231. The reversal of 2770222 is 2220772.

It is a junction number, because it is equal to n+sod(n) for n = 2770193 and 2770202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5397 + ... + 5887.

It is an arithmetic number, because the mean of its divisors is an integer number (165312).

2^2770222 is an apocalyptic number.

2770222 is a deficient number, since it is larger than the sum of its proper divisors (2519762).

2770222 is a wasteful number, since it uses less digits than its factorization.

2770222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 2770222 is about 1664.3983898094. The cubic root of 2770222 is about 140.4445393496. Note that the first 3 decimals are identical.

Adding to 2770222 its reverse (2220772), we get a palindrome (4990994).

It can be divided in two parts, 2770 and 222, that added together give a palindrome (2992).

The spelling of 2770222 in words is "two million, seven hundred seventy thousand, two hundred twenty-two".