4322631 has 4 divisors (see below), whose sum is σ = 5763512. Its totient is φ = 2881752.

The previous prime is 4322603. The next prime is 4322651. The reversal of 4322631 is 1362234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4322631 - 2⁷ = 4322503 is a prime.

It is a super-2 number, since 2×4322631² = 37370277524322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹⁰ + 3⁴ + 2 + 2⁵ + 6⁸ + 3¹³ + 1 .

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4322598 and 4322607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4322651) 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, 720436 + ... + 720441.

It is an arithmetic number, because the mean of its divisors is an integer number (1440878).

Almost surely, 2^4322631 is an apocalyptic number.

4322631 is a deficient number, since it is larger than the sum of its proper divisors (1440881).

4322631 is a wasteful number, since it uses less digits than its factorization.

4322631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440880.

The product of its digits is 864, while the sum is 21.

The square root of 4322631 is about 2079.0937929781. The cubic root of 4322631 is about 162.8981134004.

Adding to 4322631 its reverse (1362234), we get a palindrome (5684865).

The spelling of 4322631 in words is "four million, three hundred twenty-two thousand, six hundred thirty-one".