2247631 has 4 divisors (see below), whose sum is σ = 2250664. Its totient is φ = 2244600.

The previous prime is 2247611. The next prime is 2247659. The reversal of 2247631 is 1367422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2247631 - 2⁷ = 2247503 is a prime.

It is a super-2 number, since 2×2247631² = 10103690224322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 4² + 7⁶ + 6² + 3² + 1 .

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2247596 and 2247605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247611) 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, 421 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (562666).

2^2247631 is an apocalyptic number.

2247631 is a deficient number, since it is larger than the sum of its proper divisors (3033).

2247631 is a wasteful number, since it uses less digits than its factorization.

2247631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its digits is 2016, while the sum is 25.

The square root of 2247631 is about 1499.2101253660. The cubic root of 2247631 is about 130.9910644023.

The spelling of 2247631 in words is "two million, two hundred forty-seven thousand, six hundred thirty-one".