4022257 has 2 divisors, whose sum is σ = 4022258. Its totient is φ = 4022256.

The previous prime is 4022203. The next prime is 4022287. The reversal of 4022257 is 7522204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4016016 + 6241 = 2004^2 + 79^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4022287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011128 + 2011129.

It is an arithmetic number, because the mean of its divisors is an integer number (2011129).

Almost surely, 2^4022257 is an apocalyptic number.

It is an amenable number.

4022257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022257 is an equidigital number, since it uses as much as digits as its factorization.

4022257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4022257 is about 2005.5565312401. The cubic root of 4022257 is about 159.0339840073.

The spelling of 4022257 in words is "four million, twenty-two thousand, two hundred fifty-seven".