42262237 has 2 divisors, whose sum is σ = 42262238. Its totient is φ = 42262236.

The previous prime is 42262223. The next prime is 42262261. The reversal of 42262237 is 73226224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21659716 + 20602521 = 4654^2 + 4539^2 .

It is a cyclic number.

It is not a de Polignac number, because 42262237 - 2¹¹ = 42260189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42262277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131118 + 21131119.

It is an arithmetic number, because the mean of its divisors is an integer number (21131119).

Almost surely, 2^42262237 is an apocalyptic number.

It is an amenable number.

42262237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42262237 is an equidigital number, since it uses as much as digits as its factorization.

42262237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 42262237 is about 6500.9412395437. The cubic root of 42262237 is about 348.3246106854.

The spelling of 42262237 in words is "forty-two million, two hundred sixty-two thousand, two hundred thirty-seven".