2278801 has 4 divisors (see below), whose sum is σ = 2604352. Its totient is φ = 1953252.

The previous prime is 2278769. The next prime is 2278807. The reversal of 2278801 is 1088722.

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 not a de Polignac number, because 2278801 - 2⁵ = 2278769 is a prime.

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 2278801.

It is not an unprimeable number, because it can be changed into a prime (2278807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162765 + ... + 162778.

It is an arithmetic number, because the mean of its divisors is an integer number (651088).

2^2278801 is an apocalyptic number.

It is an amenable number.

2278801 is a deficient number, since it is larger than the sum of its proper divisors (325551).

2278801 is an equidigital number, since it uses as much as digits as its factorization.

2278801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325550.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2278801 is about 1509.5698062693. The cubic root of 2278801 is about 131.5938118196.

The spelling of 2278801 in words is "two million, two hundred seventy-eight thousand, eight hundred one".