22000037 has 2 divisors, whose sum is σ = 22000038. Its totient is φ = 22000036.

The previous prime is 22000031. The next prime is 22000061. The reversal of 22000037 is 73000022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20484676 + 1515361 = 4526^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000037 - 2⁴ = 22000021 is a prime.

It is a Chen prime.

22000037 is a modest number, since divided by 37 gives 22 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 21999985 and 22000030.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22000031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000018 + 11000019.

It is an arithmetic number, because the mean of its divisors is an integer number (11000019).

Almost surely, 2^22000037 is an apocalyptic number.

It is an amenable number.

22000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000037 is an equidigital number, since it uses as much as digits as its factorization.

22000037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 22000037 is about 4690.4197040350. The cubic root of 22000037 is about 280.2040901495.

Adding to 22000037 its reverse (73000022), we get a palindrome (95000059).

The spelling of 22000037 in words is "twenty-two million, thirty-seven", and thus it is an aban number and an uban number.