22224031 has 2 divisors, whose sum is σ = 22224032. Its totient is φ = 22224030.

The previous prime is 22224023. The next prime is 22224071. The reversal of 22224031 is 13042222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22224031 - 2³ = 22224023 is a prime.

It is a super-2 number, since 2×22224031² = 987815107777922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22223996 and 22224014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22224071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112015 + 11112016.

It is an arithmetic number, because the mean of its divisors is an integer number (11112016).

Almost surely, 2^22224031 is an apocalyptic number.

22224031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224031 is an equidigital number, since it uses as much as digits as its factorization.

22224031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22224031 is about 4714.2370538614. The cubic root of 22224031 is about 281.1518494716.

Adding to 22224031 its reverse (13042222), we get a palindrome (35266253).

The spelling of 22224031 in words is "twenty-two million, two hundred twenty-four thousand, thirty-one".