22170937 has 2 divisors, whose sum is σ = 22170938. Its totient is φ = 22170936.

The previous prime is 22170931. The next prime is 22170943. The reversal of 22170937 is 73907122.

It is a balanced prime because it is at equal distance from previous prime (22170931) and next prime (22170943).

It can be written as a sum of positive squares in only one way, i.e., 14167696 + 8003241 = 3764^2 + 2829^2 .

It is a cyclic number.

It is not a de Polignac number, because 22170937 - 2⁷ = 22170809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22170899 and 22170908.

It is not a weakly prime, because it can be changed into another prime (22170931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11085468 + 11085469.

It is an arithmetic number, because the mean of its divisors is an integer number (11085469).

Almost surely, 2^22170937 is an apocalyptic number.

It is an amenable number.

22170937 is a deficient number, since it is larger than the sum of its proper divisors (1).

22170937 is an equidigital number, since it uses as much as digits as its factorization.

22170937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 22170937 is about 4708.6024465865. The cubic root of 22170937 is about 280.9277770172.

The spelling of 22170937 in words is "twenty-two million, one hundred seventy thousand, nine hundred thirty-seven".