22471037 has 2 divisors, whose sum is σ = 22471038. Its totient is φ = 22471036.

The previous prime is 22471021. The next prime is 22471039. The reversal of 22471037 is 73017422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17757796 + 4713241 = 4214^2 + 2171^2 .

It is a cyclic number.

It is not a de Polignac number, because 22471037 - 2⁴ = 22471021 is a prime.

Together with 22471039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22470997 and 22471015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22471039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11235518 + 11235519.

It is an arithmetic number, because the mean of its divisors is an integer number (11235519).

Almost surely, 2^22471037 is an apocalyptic number.

It is an amenable number.

22471037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22471037 is an equidigital number, since it uses as much as digits as its factorization.

22471037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 22471037 is about 4740.3625388782. The cubic root of 22471037 is about 282.1896223106.

Adding to 22471037 its reverse (73017422), we get a palindrome (95488459).

The spelling of 22471037 in words is "twenty-two million, four hundred seventy-one thousand, thirty-seven".