2258777 has 6 divisors (see below), whose sum is σ = 2384298. Its totient is φ = 2139552.

The previous prime is 2258743. The next prime is 2258779. The reversal of 2258777 is 7778522.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 5776 = 1501^2 + 76^2 .

It is not a de Polignac number, because 2258777 - 2⁶ = 2258713 is a prime.

It is a super-3 number, since 3×2258777³ = 34573339064440030299, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2258777.

It is not an unprimeable number, because it can be changed into a prime (2258779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2768 + ... + 3489.

It is an arithmetic number, because the mean of its divisors is an integer number (397383).

2^2258777 is an apocalyptic number.

It is an amenable number.

2258777 is a deficient number, since it is larger than the sum of its proper divisors (125521).

2258777 is an equidigital number, since it uses as much as digits as its factorization.

2258777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295 (or 6276 counting only the distinct ones).

The product of its digits is 54880, while the sum is 38.

The square root of 2258777 is about 1502.9228190429. The cubic root of 2258777 is about 131.2072356522.

The spelling of 2258777 in words is "two million, two hundred fifty-eight thousand, seven hundred seventy-seven".