22849217 has 2 divisors, whose sum is σ = 22849218. Its totient is φ = 22849216.

The previous prime is 22849213. The next prime is 22849231. The reversal of 22849217 is 71294822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20286016 + 2563201 = 4504^2 + 1601^2 .

It is a cyclic number.

It is not a de Polignac number, because 22849217 - 2² = 22849213 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22849213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11424608 + 11424609.

It is an arithmetic number, because the mean of its divisors is an integer number (11424609).

Almost surely, 2^22849217 is an apocalyptic number.

It is an amenable number.

22849217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22849217 is an equidigital number, since it uses as much as digits as its factorization.

22849217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 22849217 is about 4780.0854594871. The cubic root of 22849217 is about 283.7638758440.

The spelling of 22849217 in words is "twenty-two million, eight hundred forty-nine thousand, two hundred seventeen".