42572226 has 8 divisors (see below), whose sum is σ = 85144464. Its totient is φ = 14190740.

The previous prime is 42572183. The next prime is 42572263. The reversal of 42572226 is 62227524.

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

42572226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42572193 and 42572202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3547680 + ... + 3547691.

It is an arithmetic number, because the mean of its divisors is an integer number (10643058).

Almost surely, 2^42572226 is an apocalyptic number.

42572226 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.

42572226 is a wasteful number, since it uses less digits than its factorization.

42572226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095376.

The product of its digits is 13440, while the sum is 30.

The square root of 42572226 is about 6524.7395350313. The cubic root of 42572226 is about 349.1741781835.

The spelling of 42572226 in words is "forty-two million, five hundred seventy-two thousand, two hundred twenty-six".