2251777 has 4 divisors (see below), whose sum is σ = 2456496. Its totient is φ = 2047060.

The previous prime is 2251771. The next prime is 2251807. The reversal of 2251777 is 7771522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251777 - 2⁷ = 2251649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102343 + ... + 102364.

It is an arithmetic number, because the mean of its divisors is an integer number (614124).

2^2251777 is an apocalyptic number.

It is an amenable number.

2251777 is a deficient number, since it is larger than the sum of its proper divisors (204719).

2251777 is a wasteful number, since it uses less digits than its factorization.

2251777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204718.

The product of its digits is 6860, while the sum is 31.

The square root of 2251777 is about 1500.5922164266. The cubic root of 2251777 is about 131.0715573548.

It can be divided in two parts, 225 and 1777, that added together give a palindrome (2002).

The spelling of 2251777 in words is "two million, two hundred fifty-one thousand, seven hundred seventy-seven".