42497226 has 12 divisors (see below), whose sum is σ = 92077362. Its totient is φ = 14165736.

The previous prime is 42497207. The next prime is 42497227. The reversal of 42497226 is 62279424.

42497226 is a `hidden beast` number, since 424 + 9 + 7 + 226 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 1550025 = 6399^2 + 1245^2 .

It is not an unprimeable number, because it can be changed into a prime (42497227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1180461 + ... + 1180496.

Almost surely, 2^42497226 is an apocalyptic number.

42497226 is an abundant number, since it is smaller than the sum of its proper divisors (49580136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42497226 is a wasteful number, since it uses less digits than its factorization.

42497226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360965 (or 2360962 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 42497226 is about 6518.9896456430. The cubic root of 42497226 is about 348.9690095442.

The spelling of 42497226 in words is "forty-two million, four hundred ninety-seven thousand, two hundred twenty-six".