2231016 has 16 divisors (see below), whose sum is σ = 5577600. Its totient is φ = 743664.

The previous prime is 2231011. The next prime is 2231027. The reversal of 2231016 is 6101322.

It is a super-3 number, since 3×2231016³ = 33314193918124236288, which contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2230986 and 2231004.

It is not an unprimeable number, because it can be changed into a prime (2231011) 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, 46456 + ... + 46503.

It is an arithmetic number, because the mean of its divisors is an integer number (348600).

2^2231016 is an apocalyptic number.

It is an amenable number.

2231016 is an abundant number, since it is smaller than the sum of its proper divisors (3346584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231016 is a wasteful number, since it uses less digits than its factorization.

2231016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92968 (or 92964 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2231016 is about 1493.6585955298. The cubic root of 2231016 is about 130.6674938631.

Adding to 2231016 its reverse (6101322), we get a palindrome (8332338).

The spelling of 2231016 in words is "two million, two hundred thirty-one thousand, sixteen".