38705226 has 64 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 10310400.

The previous prime is 38705201. The next prime is 38705263. The reversal of 38705226 is 62250783.

It is a super-2 number, since 2×38705226² = 2996189039422152, which contains 22 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 107635 + ... + 107993.

It is an arithmetic number, because the mean of its divisors is an integer number (1477440).

Almost surely, 2^38705226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38705226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47278080).

38705226 is an abundant number, since it is smaller than the sum of its proper divisors (55850934).

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

38705226 is a wasteful number, since it uses less digits than its factorization.

38705226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 38705226 is about 6221.3524253172. The cubic root of 38705226 is about 338.2645886414.

The spelling of 38705226 in words is "thirty-eight million, seven hundred five thousand, two hundred twenty-six".