2881222 has 4 divisors (see below), whose sum is σ = 4321836. Its totient is φ = 1440610.

The previous prime is 2881183. The next prime is 2881243. The reversal of 2881222 is 2221882.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720304 + ... + 720307.

It is an arithmetic number, because the mean of its divisors is an integer number (1080459).

2^2881222 is an apocalyptic number.

2881222 is a deficient number, since it is larger than the sum of its proper divisors (1440614).

2881222 is a wasteful number, since it uses less digits than its factorization.

2881222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440613.

The product of its digits is 1024, while the sum is 25.

The square root of 2881222 is about 1697.4162718673. The cubic root of 2881222 is about 142.2958521287.

The spelling of 2881222 in words is "two million, eight hundred eighty-one thousand, two hundred twenty-two".