42229097 has 2 divisors, whose sum is σ = 42229098. Its totient is φ = 42229096.

The previous prime is 42229093. The next prime is 42229111. The reversal of 42229097 is 79092224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41938576 + 290521 = 6476^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 42229097 - 2² = 42229093 is a prime.

It is equal to p_2560697 and since 42229097 and 2560697 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42229091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21114548 + 21114549.

It is an arithmetic number, because the mean of its divisors is an integer number (21114549).

Almost surely, 2^42229097 is an apocalyptic number.

It is an amenable number.

42229097 is a deficient number, since it is larger than the sum of its proper divisors (1).

42229097 is an equidigital number, since it uses as much as digits as its factorization.

42229097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 42229097 is about 6498.3918779957. The cubic root of 42229097 is about 348.2335404454.

The spelling of 42229097 in words is "forty-two million, two hundred twenty-nine thousand, ninety-seven".