2273939 has 6 divisors (see below), whose sum is σ = 2400300. Its totient is φ = 2153916.

The previous prime is 2273927. The next prime is 2273959. The reversal of 2273939 is 9393722.

It is not a de Polignac number, because 2273939 - 2⁴ = 2273923 is a prime.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 7⁶ + 3 + 9² + 3 + 9⁵ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2273899 and 2273908.

It is not an unprimeable number, because it can be changed into a prime (2273959) 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, 2789 + ... + 3510.

It is an arithmetic number, because the mean of its divisors is an integer number (400050).

2^2273939 is an apocalyptic number.

2273939 is a deficient number, since it is larger than the sum of its proper divisors (126361).

2273939 is an equidigital number, since it uses as much as digits as its factorization.

2273939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337 (or 6318 counting only the distinct ones).

The product of its digits is 20412, while the sum is 35.

The square root of 2273939 is about 1507.9585538071. The cubic root of 2273939 is about 131.5001566210.

The spelling of 2273939 in words is "two million, two hundred seventy-three thousand, nine hundred thirty-nine".