22708541 has 2 divisors, whose sum is σ = 22708542. Its totient is φ = 22708540.

The previous prime is 22708529. The next prime is 22708571. The reversal of 22708541 is 14580722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 10106041 = 3550^2 + 3179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22708541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22708501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11354270 + 11354271.

It is an arithmetic number, because the mean of its divisors is an integer number (11354271).

Almost surely, 2^22708541 is an apocalyptic number.

It is an amenable number.

22708541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22708541 is an equidigital number, since it uses as much as digits as its factorization.

22708541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 22708541 is about 4765.3479411266. The cubic root of 22708541 is about 283.1803259990.

The spelling of 22708541 in words is "twenty-two million, seven hundred eight thousand, five hundred forty-one".