22605071 has 2 divisors, whose sum is σ = 22605072. Its totient is φ = 22605070.

The previous prime is 22605059. The next prime is 22605091. The reversal of 22605071 is 17050622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22605071 - 2¹⁰ = 22604047 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 (22605091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11302535 + 11302536.

It is an arithmetic number, because the mean of its divisors is an integer number (11302536).

Almost surely, 2^22605071 is an apocalyptic number.

22605071 is a deficient number, since it is larger than the sum of its proper divisors (1).

22605071 is an equidigital number, since it uses as much as digits as its factorization.

22605071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 22605071 is about 4754.4790461206. The cubic root of 22605071 is about 282.7495734828.

Adding to 22605071 its reverse (17050622), we get a palindrome (39655693).

The spelling of 22605071 in words is "twenty-two million, six hundred five thousand, seventy-one".