42229417 has 2 divisors, whose sum is σ = 42229418. Its totient is φ = 42229416.

The previous prime is 42229399. The next prime is 42229441. The reversal of 42229417 is 71492224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24790441 + 17438976 = 4979^2 + 4176^2 .

It is a cyclic number.

It is not a de Polignac number, because 42229417 - 2⁷ = 42229289 is a prime.

It is not a weakly prime, because it can be changed into another prime (42229217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21114708 + 21114709.

It is an arithmetic number, because the mean of its divisors is an integer number (21114709).

Almost surely, 2^42229417 is an apocalyptic number.

It is an amenable number.

42229417 is a deficient number, since it is larger than the sum of its proper divisors (1).

42229417 is an equidigital number, since it uses as much as digits as its factorization.

42229417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 42229417 is about 6498.4164994251. The cubic root of 42229417 is about 348.2344200479.

The spelling of 42229417 in words is "forty-two million, two hundred twenty-nine thousand, four hundred seventeen".