2292229 has 4 divisors (see below), whose sum is σ = 2427084. Its totient is φ = 2157376.

The previous prime is 2292221. The next prime is 2292239. The reversal of 2292229 is 9222922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9222922 = 2 ⋅4611461.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 1004004 = 1135^2 + 1002^2 .

It is a cyclic number.

It is not a de Polignac number, because 2292229 - 2³ = 2292221 is a prime.

It is a Duffinian number.

2292229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2292197 and 2292206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292221) 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, 67402 + ... + 67435.

It is an arithmetic number, because the mean of its divisors is an integer number (606771).

2^2292229 is an apocalyptic number.

It is an amenable number.

2292229 is a deficient number, since it is larger than the sum of its proper divisors (134855).

2292229 is a wasteful number, since it uses less digits than its factorization.

2292229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134854.

The product of its digits is 2592, while the sum is 28.

The square root of 2292229 is about 1514.0108982435. The cubic root of 2292229 is about 131.8517811371.

The spelling of 2292229 in words is "two million, two hundred ninety-two thousand, two hundred twenty-nine".