42252269 has 2 divisors, whose sum is σ = 42252270. Its totient is φ = 42252268.

The previous prime is 42252227. The next prime is 42252283. The reversal of 42252269 is 96225224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31787044 + 10465225 = 5638^2 + 3235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42252269 is a prime.

It is a super-2 number, since 2×42252269² = 3570508471296722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42252569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21126134 + 21126135.

It is an arithmetic number, because the mean of its divisors is an integer number (21126135).

Almost surely, 2^42252269 is an apocalyptic number.

It is an amenable number.

42252269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42252269 is an equidigital number, since it uses as much as digits as its factorization.

42252269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 42252269 is about 6500.1745361182. The cubic root of 42252269 is about 348.2972231721.

The spelling of 42252269 in words is "forty-two million, two hundred fifty-two thousand, two hundred sixty-nine".