38782226 has 12 divisors (see below), whose sum is σ = 67671198. Its totient is φ = 16620912.

The previous prime is 38782223. The next prime is 38782231. The reversal of 38782226 is 62228783.

It can be written as a sum of positive squares in only one way, i.e., 34164025 + 4618201 = 5845^2 + 2149^2 .

It is a super-2 number, since 2×38782226² = 3008122107030152, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38782226.

It is not an unprimeable number, because it can be changed into a prime (38782223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197771 + ... + 197966.

Almost surely, 2^38782226 is an apocalyptic number.

38782226 is a deficient number, since it is larger than the sum of its proper divisors (28888972).

38782226 is a wasteful number, since it uses less digits than its factorization.

38782226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395753 (or 395746 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 38782226 is about 6227.5377156626. The cubic root of 38782226 is about 338.4887540655.

The spelling of 38782226 in words is "thirty-eight million, seven hundred eighty-two thousand, two hundred twenty-six".