2687222 has 8 divisors (see below), whose sum is σ = 4129272. Its totient is φ = 1310800.

The previous prime is 2687221. The next prime is 2687231. The reversal of 2687222 is 2227862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16304 + ... + 16467.

It is an arithmetic number, because the mean of its divisors is an integer number (516159).

2^2687222 is an apocalyptic number.

2687222 is a deficient number, since it is larger than the sum of its proper divisors (1442050).

2687222 is a wasteful number, since it uses less digits than its factorization.

2687222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32814.

The product of its digits is 5376, while the sum is 29.

The square root of 2687222 is about 1639.2748396776. The cubic root of 2687222 is about 139.0276500728.

The spelling of 2687222 in words is "two million, six hundred eighty-seven thousand, two hundred twenty-two".