2231867 has 8 divisors (see below), whose sum is σ = 2454192. Its totient is φ = 2012800.

The previous prime is 2231861. The next prime is 2231881. The reversal of 2231867 is 7681322.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231867 is a prime.

It is a super-3 number, since 3×2231867³ = 33352330616001574089, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231861) 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, 767 + ... + 2247.

It is an arithmetic number, because the mean of its divisors is an integer number (306774).

2^2231867 is an apocalyptic number.

2231867 is a deficient number, since it is larger than the sum of its proper divisors (222325).

2231867 is a wasteful number, since it uses less digits than its factorization.

2231867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its digits is 4032, while the sum is 29.

The square root of 2231867 is about 1493.9434393577. The cubic root of 2231867 is about 130.6841057119.

The spelling of 2231867 in words is "two million, two hundred thirty-one thousand, eight hundred sixty-seven".