2722190 has 16 divisors (see below), whose sum is σ = 4938192. Its totient is φ = 1080384.

The previous prime is 2722189. The next prime is 2722207. The reversal of 2722190 is 912272.

It is a super-2 number, since 2×2722190² = 14820636792200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377 + ... + 2363.

It is an arithmetic number, because the mean of its divisors is an integer number (308637).

2^2722190 is an apocalyptic number.

2722190 is a deficient number, since it is larger than the sum of its proper divisors (2216002).

2722190 is a wasteful number, since it uses less digits than its factorization.

2722190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2722190 is about 1649.9060579318. The cubic root of 2722190 is about 139.6280945527.

The spelling of 2722190 in words is "two million, seven hundred twenty-two thousand, one hundred ninety".