2256776 has 8 divisors (see below), whose sum is σ = 4231470. Its totient is φ = 1128384.

The previous prime is 2256743. The next prime is 2256781. The reversal of 2256776 is 6776522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2172676 + 84100 = 1474^2 + 290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141041 + ... + 141056.

2^2256776 is an apocalyptic number.

It is an amenable number.

2256776 is a deficient number, since it is larger than the sum of its proper divisors (1974694).

2256776 is a wasteful number, since it uses less digits than its factorization.

2256776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282103 (or 282099 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 2256776 is about 1502.2569686974. The cubic root of 2256776 is about 131.1684796875.

The spelling of 2256776 in words is "two million, two hundred fifty-six thousand, seven hundred seventy-six".