22042037 has 2 divisors, whose sum is σ = 22042038. Its totient is φ = 22042036.

The previous prime is 22042019. The next prime is 22042049. The reversal of 22042037 is 73024022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21893041 + 148996 = 4679^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042037 - 2⁸ = 22041781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22042057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021018 + 11021019.

It is an arithmetic number, because the mean of its divisors is an integer number (11021019).

Almost surely, 2^22042037 is an apocalyptic number.

It is an amenable number.

22042037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042037 is an equidigital number, since it uses as much as digits as its factorization.

22042037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22042037 is about 4694.8947805036. The cubic root of 22042037 is about 280.3822881928.

Adding to 22042037 its reverse (73024022), we get a palindrome (95066059).

The spelling of 22042037 in words is "twenty-two million, forty-two thousand, thirty-seven".