2278633 has 8 divisors (see below), whose sum is σ = 2717568. Its totient is φ = 1868064.

The previous prime is 2278631. The next prime is 2278637. The reversal of 2278633 is 3368722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2278633 - 2¹ = 2278631 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 2²¹ + 7⁶ + 8³ + 6² + 3⁷ + 3¹⁰ .

2278633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2278595 and 2278604.

It is not an unprimeable number, because it can be changed into a prime (2278631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6916 + ... + 7237.

It is an arithmetic number, because the mean of its divisors is an integer number (339696).

2^2278633 is an apocalyptic number.

2278633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2278633 is a deficient number, since it is larger than the sum of its proper divisors (438935).

2278633 is a wasteful number, since it uses less digits than its factorization.

2278633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14183.

The product of its digits is 12096, while the sum is 31.

The square root of 2278633 is about 1509.5141602516. The cubic root of 2278633 is about 131.5905779109.

The spelling of 2278633 in words is "two million, two hundred seventy-eight thousand, six hundred thirty-three".