22842031 has 2 divisors, whose sum is σ = 22842032. Its totient is φ = 22842030.

The previous prime is 22841983. The next prime is 22842091. The reversal of 22842031 is 13024822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22842031 - 2⁹ = 22841519 is a prime.

It is a super-2 number, since 2×22842031² = 1043516760409922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22841993 and 22842011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22842091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421015 + 11421016.

It is an arithmetic number, because the mean of its divisors is an integer number (11421016).

Almost surely, 2^22842031 is an apocalyptic number.

22842031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22842031 is an equidigital number, since it uses as much as digits as its factorization.

22842031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22842031 is about 4779.3337401776. Note that the first 3 decimals coincide. The cubic root of 22842031 is about 283.7341251380.

Adding to 22842031 its reverse (13024822), we get a palindrome (35866853).

The spelling of 22842031 in words is "twenty-two million, eight hundred forty-two thousand, thirty-one".