2202278 has 16 divisors (see below), whose sum is σ = 3610656. Its totient is φ = 1001280.

The previous prime is 2202269. The next prime is 2202287. The reversal of 2202278 is 8722022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2202269) and next prime (2202287).

It is a super-3 number, since 3×2202278³ = 32043332463286766856, which contains 333 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, 1250 + ... + 2442.

It is an arithmetic number, because the mean of its divisors is an integer number (225666).

2^2202278 is an apocalyptic number.

2202278 is a deficient number, since it is larger than the sum of its proper divisors (1408378).

2202278 is a wasteful number, since it uses less digits than its factorization.

2202278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2202278 is about 1484.0074123804. The cubic root of 2202278 is about 130.1040193110.

The spelling of 2202278 in words is "two million, two hundred two thousand, two hundred seventy-eight".