2277801 has 20 divisors (see below), whose sum is σ = 3465924. Its totient is φ = 1490400.

The previous prime is 2277797. The next prime is 2277809. The reversal of 2277801 is 1087722.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 1946025 = 576^2 + 1395^2 .

It is not a de Polignac number, because 2277801 - 2² = 2277797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2277809) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4711 + ... + 5171.

2^2277801 is an apocalyptic number.

It is an amenable number.

2277801 is a deficient number, since it is larger than the sum of its proper divisors (1188123).

2277801 is an equidigital number, since it uses as much as digits as its factorization.

2277801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2277801 is about 1509.2385497329. The cubic root of 2277801 is about 131.5745600193.

The spelling of 2277801 in words is "two million, two hundred seventy-seven thousand, eight hundred one".