22872211 has 2 divisors, whose sum is σ = 22872212. Its totient is φ = 22872210.

The previous prime is 22872193. The next prime is 22872247. The reversal of 22872211 is 11227822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22872211 - 2⁹ = 22871699 is a prime.

It is not a weakly prime, because it can be changed into another prime (22878211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11436105 + 11436106.

It is an arithmetic number, because the mean of its divisors is an integer number (11436106).

Almost surely, 2^22872211 is an apocalyptic number.

22872211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22872211 is an equidigital number, since it uses as much as digits as its factorization.

22872211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 25.

The square root of 22872211 is about 4782.4900418088. The cubic root of 22872211 is about 283.8590312425.

The spelling of 22872211 in words is "twenty-two million, eight hundred seventy-two thousand, two hundred eleven".