2278451 has 6 divisors (see below), whose sum is σ = 2650500. Its totient is φ = 1952916.

The previous prime is 2278429. The next prime is 2278453. The reversal of 2278451 is 1548722.

It is not a de Polignac number, because 2278451 - 2¹⁴ = 2262067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2278453) 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, 23201 + ... + 23298.

It is an arithmetic number, because the mean of its divisors is an integer number (441750).

2^2278451 is an apocalyptic number.

2278451 is a deficient number, since it is larger than the sum of its proper divisors (372049).

2278451 is an equidigital number, since it uses as much as digits as its factorization.

2278451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46513 (or 46506 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 2278451 is about 1509.4538747507. The cubic root of 2278451 is about 131.5870743303.

The spelling of 2278451 in words is "two million, two hundred seventy-eight thousand, four hundred fifty-one".