42226338 has 72 divisors (see below), whose sum is σ = 108074736. Its totient is φ = 10958640.

The previous prime is 42226307. The next prime is 42226397. The reversal of 42226338 is 83362224.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34981 + ... + 36167.

It is an arithmetic number, because the mean of its divisors is an integer number (1501038).

Almost surely, 2^42226338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42226338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54037368).

42226338 is an abundant number, since it is smaller than the sum of its proper divisors (65848398).

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

42226338 is a wasteful number, since it uses less digits than its factorization.

42226338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1210 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 42226338 is about 6498.1795912394. The cubic root of 42226338 is about 348.2259564387.

The spelling of 42226338 in words is "forty-two million, two hundred twenty-six thousand, three hundred thirty-eight".