2266278 has 16 divisors (see below), whose sum is σ = 5180160. Its totient is φ = 647496.

The previous prime is 2266267. The next prime is 2266283. The reversal of 2266278 is 8726622.

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, 26938 + ... + 27021.

It is an arithmetic number, because the mean of its divisors is an integer number (323760).

2^2266278 is an apocalyptic number.

2266278 is an abundant number, since it is smaller than the sum of its proper divisors (2913882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2266278 is a wasteful number, since it uses less digits than its factorization.

2266278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53971.

The product of its digits is 16128, while the sum is 33.

The square root of 2266278 is about 1505.4162215148. The cubic root of 2266278 is about 131.3523138729.

The spelling of 2266278 in words is "two million, two hundred sixty-six thousand, two hundred seventy-eight".