2273999 has 8 divisors (see below), whose sum is σ = 2798880. Its totient is φ = 1799136.

The previous prime is 2273993. The next prime is 2274007. The reversal of 2273999 is 9993722.

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 2273999 - 2⁸ = 2273743 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 2²¹ + 7⁶ + 3 + 9 + 9 + 9⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273993) 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, 12404 + ... + 12585.

It is an arithmetic number, because the mean of its divisors is an integer number (349860).

2^2273999 is an apocalyptic number.

2273999 is a deficient number, since it is larger than the sum of its proper divisors (524881).

2273999 is a wasteful number, since it uses less digits than its factorization.

2273999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25009.

The product of its digits is 61236, while the sum is 41.

The square root of 2273999 is about 1507.9784481219. The cubic root of 2273999 is about 131.5013131956.

The spelling of 2273999 in words is "two million, two hundred seventy-three thousand, nine hundred ninety-nine".