2254778 has 24 divisors (see below), whose sum is σ = 3713472. Its totient is φ = 1025984.

The previous prime is 2254771. The next prime is 2254781. The reversal of 2254778 is 8774522.

It is not an unprimeable number, because it can be changed into a prime (2254771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27125 + ... + 27207.

It is an arithmetic number, because the mean of its divisors is an integer number (154728).

2^2254778 is an apocalyptic number.

2254778 is a deficient number, since it is larger than the sum of its proper divisors (1458694).

2254778 is a wasteful number, since it uses less digits than its factorization.

2254778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2254778 is about 1501.5918220342. The cubic root of 2254778 is about 131.1297589636.

The spelling of 2254778 in words is "two million, two hundred fifty-four thousand, seven hundred seventy-eight".