2229931 has 8 divisors (see below), whose sum is σ = 2466864. Its totient is φ = 1998720.

The previous prime is 2229917. The next prime is 2229943. The reversal of 2229931 is 1399222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2229931 - 2⁹ = 2229419 is a prime.

It is a super-2 number, since 2×2229931² = 9945184529522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2229931.

It is not an unprimeable number, because it can be changed into a prime (2229971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586 + ... + 2191.

It is an arithmetic number, because the mean of its divisors is an integer number (308358).

2^2229931 is an apocalyptic number.

2229931 is a deficient number, since it is larger than the sum of its proper divisors (236933).

2229931 is a wasteful number, since it uses less digits than its factorization.

2229931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861.

The product of its digits is 1944, while the sum is 28.

The square root of 2229931 is about 1493.2953492193. The cubic root of 2229931 is about 130.6463081163.

It can be divided in two parts, 2229 and 931, that added together give a triangular number (3160 = T₇₉).

The spelling of 2229931 in words is "two million, two hundred twenty-nine thousand, nine hundred thirty-one".