22666141 has 2 divisors, whose sum is σ = 22666142. Its totient is φ = 22666140.

The previous prime is 22666123. The next prime is 22666211. The reversal of 22666141 is 14166622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 10791225 = 3446^2 + 3285^2 .

It is a cyclic number.

It is not a de Polignac number, because 22666141 - 2¹⁷ = 22535069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22666121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11333070 + 11333071.

It is an arithmetic number, because the mean of its divisors is an integer number (11333071).

Almost surely, 2^22666141 is an apocalyptic number.

It is an amenable number.

22666141 is a deficient number, since it is larger than the sum of its proper divisors (1).

22666141 is an equidigital number, since it uses as much as digits as its factorization.

22666141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 22666141 is about 4760.8970793328. The cubic root of 22666141 is about 283.0039705270.

The spelling of 22666141 in words is "twenty-two million, six hundred sixty-six thousand, one hundred forty-one".