22022031 has 8 divisors (see below), whose sum is σ = 29459584. Its totient is φ = 14632920.

The previous prime is 22022023. The next prime is 22022041. The reversal of 22022031 is 13022022.

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

It is not a de Polignac number, because 22022031 - 2³ = 22022023 is a prime.

It is a super-2 number, since 2×22022031² = 969939698729922, 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 = 22021998 and 22022016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11035 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (3682448).

Almost surely, 2^22022031 is an apocalyptic number.

22022031 is a deficient number, since it is larger than the sum of its proper divisors (7437553).

22022031 is a wasteful number, since it uses less digits than its factorization.

22022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24221.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22022031 is about 4692.7636846532. The cubic root of 22022031 is about 280.2974347833.

Adding to 22022031 its reverse (13022022), we get a palindrome (35044053).

Subtracting from 22022031 its reverse (13022022), we obtain a palindrome (9000009).

The spelling of 22022031 in words is "twenty-two million, twenty-two thousand, thirty-one".