2277766 has 4 divisors (see below), whose sum is σ = 3416652. Its totient is φ = 1138882.

The previous prime is 2277733. The next prime is 2277767. The reversal of 2277766 is 6677722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6677722 = 2 ⋅3338861.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569440 + ... + 569443.

It is an arithmetic number, because the mean of its divisors is an integer number (854163).

2^2277766 is an apocalyptic number.

2277766 is a deficient number, since it is larger than the sum of its proper divisors (1138886).

2277766 is a wasteful number, since it uses less digits than its factorization.

2277766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138885.

The product of its digits is 49392, while the sum is 37.

The square root of 2277766 is about 1509.2269544373. The cubic root of 2277766 is about 131.5738861043.

The spelling of 2277766 in words is "two million, two hundred seventy-seven thousand, seven hundred sixty-six".