22240031 has 8 divisors (see below), whose sum is σ = 24323328. Its totient is φ = 20167000.

The previous prime is 22240027. The next prime is 22240037. The reversal of 22240031 is 13004222.

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

It is a cyclic number.

It is not a de Polignac number, because 22240031 - 2² = 22240027 is a prime.

It is a super-2 number, since 2×22240031² = 989237957761922, 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 = 22239988 and 22240015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240037) 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, 2396 + ... + 7086.

It is an arithmetic number, because the mean of its divisors is an integer number (3040416).

Almost surely, 2^22240031 is an apocalyptic number.

22240031 is a deficient number, since it is larger than the sum of its proper divisors (2083297).

22240031 is a wasteful number, since it uses less digits than its factorization.

22240031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22240031 is about 4715.9337357516. The cubic root of 22240031 is about 281.2193042384.

Adding to 22240031 its reverse (13004222), we get a palindrome (35244253).

The spelling of 22240031 in words is "twenty-two million, two hundred forty thousand, thirty-one".