22650541 has 2 divisors, whose sum is σ = 22650542. Its totient is φ = 22650540.

The previous prime is 22650539. The next prime is 22650559. The reversal of 22650541 is 14505622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22524516 + 126025 = 4746^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 22650541 - 2¹ = 22650539 is a prime.

Together with 22650539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22650571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11325270 + 11325271.

It is an arithmetic number, because the mean of its divisors is an integer number (11325271).

Almost surely, 2^22650541 is an apocalyptic number.

It is an amenable number.

22650541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22650541 is an equidigital number, since it uses as much as digits as its factorization.

22650541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 22650541 is about 4759.2584506412. The cubic root of 22650541 is about 282.9390296802.

The spelling of 22650541 in words is "twenty-two million, six hundred fifty thousand, five hundred forty-one".