2226739 has 4 divisors (see below), whose sum is σ = 2229760. Its totient is φ = 2223720.

The previous prime is 2226733. The next prime is 2226767. The reversal of 2226739 is 9376222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2226739 - 2⁹ = 2226227 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 2¹¹ + 2¹⁹ + 6⁸ + 7³ + 3⁹ + 9³ .

It is a Duffinian number.

2226739 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2226739.

It is not an unprimeable number, because it can be changed into a prime (2226733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (557440).

2^2226739 is an apocalyptic number.

2226739 is a deficient number, since it is larger than the sum of its proper divisors (3021).

2226739 is a wasteful number, since it uses less digits than its factorization.

2226739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020.

The product of its digits is 9072, while the sum is 31.

The square root of 2226739 is about 1492.2261892890. The cubic root of 2226739 is about 130.5839411411.

The spelling of 2226739 in words is "two million, two hundred twenty-six thousand, seven hundred thirty-nine".