2269229 has 4 divisors (see below), whose sum is σ = 2272284. Its totient is φ = 2266176.

The previous prime is 2269219. The next prime is 2269237. The reversal of 2269229 is 9229622.

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 can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 946729 = 1150^2 + 973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2269229 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2269195 and 2269204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269219) 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, 389 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (568071).

2^2269229 is an apocalyptic number.

It is an amenable number.

2269229 is a deficient number, since it is larger than the sum of its proper divisors (3055).

2269229 is a wasteful number, since it uses less digits than its factorization.

2269229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054.

The product of its digits is 7776, while the sum is 32.

The square root of 2269229 is about 1506.3960302656. The cubic root of 2269229 is about 131.4093019616.

The spelling of 2269229 in words is "two million, two hundred sixty-nine thousand, two hundred twenty-nine".