42226986 has 8 divisors (see below), whose sum is σ = 84453984. Its totient is φ = 14075660.

The previous prime is 42226981. The next prime is 42227023. The reversal of 42226986 is 68962224.

It is a sphenic number, since it is the product of 3 distinct primes.

42226986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42226981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3518910 + ... + 3518921.

It is an arithmetic number, because the mean of its divisors is an integer number (10556748).

Almost surely, 2^42226986 is an apocalyptic number.

42226986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42226986 is a wasteful number, since it uses less digits than its factorization.

42226986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037836.

The product of its digits is 82944, while the sum is 39.

The square root of 42226986 is about 6498.2294511659. The cubic root of 42226986 is about 348.2277377067.

The spelling of 42226986 in words is "forty-two million, two hundred twenty-six thousand, nine hundred eighty-six".