22050971 has 2 divisors, whose sum is σ = 22050972. Its totient is φ = 22050970.

The previous prime is 22050949. The next prime is 22050979. The reversal of 22050971 is 17905022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22050971 - 2¹⁸ = 21788827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22050971.

It is not a weakly prime, because it can be changed into another prime (22050979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025485 + 11025486.

It is an arithmetic number, because the mean of its divisors is an integer number (11025486).

Almost surely, 2^22050971 is an apocalyptic number.

22050971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22050971 is an equidigital number, since it uses as much as digits as its factorization.

22050971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 22050971 is about 4695.8461431354. The cubic root of 22050971 is about 280.4201642598.

Adding to 22050971 its reverse (17905022), we get a palindrome (39955993).

The spelling of 22050971 in words is "twenty-two million, fifty thousand, nine hundred seventy-one".