2227278 has 8 divisors (see below), whose sum is σ = 4454568. Its totient is φ = 742424.

The previous prime is 2227273. The next prime is 2227301. The reversal of 2227278 is 8727222.

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

2227278 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227273) 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, 185601 + ... + 185612.

It is an arithmetic number, because the mean of its divisors is an integer number (556821).

2^2227278 is an apocalyptic number.

2227278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2227278 is a wasteful number, since it uses less digits than its factorization.

2227278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371218.

The product of its digits is 6272, while the sum is 30.

The square root of 2227278 is about 1492.4067810084. The cubic root of 2227278 is about 130.5944765872.

The spelling of 2227278 in words is "two million, two hundred twenty-seven thousand, two hundred seventy-eight".