22061873 has 2 divisors, whose sum is σ = 22061874. Its totient is φ = 22061872.

The previous prime is 22061861. The next prime is 22061891. The reversal of 22061873 is 37816022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22061809 + 64 = 4697^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 22061873 - 2⁴ = 22061857 is a prime.

It is not a weakly prime, because it can be changed into another prime (22061803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030936 + 11030937.

It is an arithmetic number, because the mean of its divisors is an integer number (11030937).

Almost surely, 2^22061873 is an apocalyptic number.

It is an amenable number.

22061873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061873 is an equidigital number, since it uses as much as digits as its factorization.

22061873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 22061873 is about 4697.0068128543. The cubic root of 22061873 is about 280.4663698887.

Adding to 22061873 its reverse (37816022), we get a palindrome (59877895).

The spelling of 22061873 in words is "twenty-two million, sixty-one thousand, eight hundred seventy-three".