2273992 has 24 divisors (see below), whose sum is σ = 4960710. Its totient is φ = 974400.

The previous prime is 2273989. The next prime is 2273993. The reversal of 2273992 is 2993722.

2273992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 988036 = 1134^2 + 994^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2 + 2⁷ + 7⁶ + 3 + 9 + 9⁵ + 2²¹ .

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 5 ways as a sum of consecutive naturals, for example, 2509 + ... + 3292.

2^2273992 is an apocalyptic number.

It is an amenable number.

2273992 is an abundant number, since it is smaller than the sum of its proper divisors (2686718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2273992 is a wasteful number, since it uses less digits than its factorization.

2273992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821 (or 5810 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 2273992 is about 1507.9761271320. The cubic root of 2273992 is about 131.5011782629.

The spelling of 2273992 in words is "two million, two hundred seventy-three thousand, nine hundred ninety-two".