22366541 has 2 divisors, whose sum is σ = 22366542. Its totient is φ = 22366540.

The previous prime is 22366499. The next prime is 22366567. The reversal of 22366541 is 14566322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 417316 = 4685^2 + 646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22366541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22363541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11183270 + 11183271.

It is an arithmetic number, because the mean of its divisors is an integer number (11183271).

Almost surely, 2^22366541 is an apocalyptic number.

It is an amenable number.

22366541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22366541 is an equidigital number, since it uses as much as digits as its factorization.

22366541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 22366541 is about 4729.3277534973. The cubic root of 22366541 is about 281.7515248369.

The spelling of 22366541 in words is "twenty-two million, three hundred sixty-six thousand, five hundred forty-one".