4422731 has 4 divisors (see below), whose sum is σ = 4437264. Its totient is φ = 4408200.

The previous prime is 4422673. The next prime is 4422749. The reversal of 4422731 is 1372244.

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

It is a cyclic number.

It is not a de Polignac number, because 4422731 - 2⁶ = 4422667 is a prime.

It is a super-2 number, since 2×4422731² = 39121098996722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4422697 and 4422706.

It is not an unprimeable number, because it can be changed into a prime (4422791) 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, 6800 + ... + 7421.

It is an arithmetic number, because the mean of its divisors is an integer number (1109316).

Almost surely, 2^4422731 is an apocalyptic number.

4422731 is a deficient number, since it is larger than the sum of its proper divisors (14533).

4422731 is a wasteful number, since it uses less digits than its factorization.

4422731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14532.

The product of its digits is 1344, while the sum is 23.

The square root of 4422731 is about 2103.0290059816. The cubic root of 4422731 is about 164.1459512743.

Adding to 4422731 its reverse (1372244), we get a palindrome (5794975).

The spelling of 4422731 in words is "four million, four hundred twenty-two thousand, seven hundred thirty-one".