2229831 has 6 divisors (see below), whose sum is σ = 3220880. Its totient is φ = 1486548.

The previous prime is 2229823. The next prime is 2229833. The reversal of 2229831 is 1389222.

It is a happy number.

It is not a de Polignac number, because 2229831 - 2³ = 2229823 is a prime.

It is a super-2 number, since 2×2229831² = 9944292577122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2229795 and 2229804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229833) 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, 123871 + ... + 123888.

2^2229831 is an apocalyptic number.

2229831 is a deficient number, since it is larger than the sum of its proper divisors (991049).

2229831 is a wasteful number, since it uses less digits than its factorization.

2229831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247765 (or 247762 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2229831 is about 1493.2618658494. The cubic root of 2229831 is about 130.6443551671.

The spelling of 2229831 in words is "two million, two hundred twenty-nine thousand, eight hundred thirty-one".