22225037 has 2 divisors, whose sum is σ = 22225038. Its totient is φ = 22225036.

The previous prime is 22225019. The next prime is 22225043. The reversal of 22225037 is 73052222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14546596 + 7678441 = 3814^2 + 2771^2 .

It is a cyclic number.

It is not a de Polignac number, because 22225037 - 2⁶ = 22224973 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22225087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112518 + 11112519.

It is an arithmetic number, because the mean of its divisors is an integer number (11112519).

Almost surely, 2^22225037 is an apocalyptic number.

It is an amenable number.

22225037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22225037 is an equidigital number, since it uses as much as digits as its factorization.

22225037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22225037 is about 4714.3437507250. The cubic root of 22225037 is about 281.1560916437.

Adding to 22225037 its reverse (73052222), we get a palindrome (95277259).

The spelling of 22225037 in words is "twenty-two million, two hundred twenty-five thousand, thirty-seven".