42226018 has 8 divisors (see below), whose sum is σ = 66672720. Its totient is φ = 20001780.

The previous prime is 42226007. The next prime is 42226049. The reversal of 42226018 is 81062224.

It is a happy number.

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

It is a super-3 number, since 3×42226018³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 42225983 and 42226001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555568 + ... + 555643.

It is an arithmetic number, because the mean of its divisors is an integer number (8334090).

Almost surely, 2^42226018 is an apocalyptic number.

42226018 is a deficient number, since it is larger than the sum of its proper divisors (24446702).

42226018 is a wasteful number, since it uses less digits than its factorization.

42226018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111232.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42226018 is about 6498.1549689123. The cubic root of 42226018 is about 348.2250767935.

The spelling of 42226018 in words is "forty-two million, two hundred twenty-six thousand, eighteen".