22068031 has 8 divisors (see below), whose sum is σ = 22642400. Its totient is φ = 21500640.

The previous prime is 22068029. The next prime is 22068037. The reversal of 22068031 is 13086022.

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 22068031 - 2¹ = 22068029 is a prime.

It is a super-2 number, since 2×22068031² = 973995984433922, 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 = 22067993 and 22068011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22068037) 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, 4990 + ... + 8308.

It is an arithmetic number, because the mean of its divisors is an integer number (2830300).

Almost surely, 2^22068031 is an apocalyptic number.

22068031 is a deficient number, since it is larger than the sum of its proper divisors (574369).

22068031 is a wasteful number, since it uses less digits than its factorization.

22068031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22068031 is about 4697.6622909698. The cubic root of 22068031 is about 280.4924624337.

Subtracting from 22068031 its reverse (13086022), we obtain a square (8982009 = 2997²).

The spelling of 22068031 in words is "twenty-two million, sixty-eight thousand, thirty-one".