2291229 has 12 divisors (see below), whose sum is σ = 3484000. Its totient is φ = 1446984.

The previous prime is 2291227. The next prime is 2291231. The reversal of 2291229 is 9221922.

It is an interprime number because it is at equal distance from previous prime (2291227) and next prime (2291231).

It is not a de Polignac number, because 2291229 - 2¹ = 2291227 is a prime.

It is a Duffinian number.

2291229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6529 + ... + 6870.

2^2291229 is an apocalyptic number.

It is an amenable number.

2291229 is a deficient number, since it is larger than the sum of its proper divisors (1192771).

2291229 is a wasteful number, since it uses less digits than its factorization.

2291229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13424 (or 13421 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2291229 is about 1513.6806136038. The cubic root of 2291229 is about 131.8326046122.

The spelling of 2291229 in words is "two million, two hundred ninety-one thousand, two hundred twenty-nine".