38520226 has 4 divisors (see below), whose sum is σ = 57780342. Its totient is φ = 19260112.

The previous prime is 38520199. The next prime is 38520227. The reversal of 38520226 is 62202583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25553025 + 12967201 = 5055^2 + 3601^2 .

It is a super-2 number, since 2×38520226² = 2967615622182152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38520194 and 38520203.

It is not an unprimeable number, because it can be changed into a prime (38520227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9630055 + ... + 9630058.

Almost surely, 2^38520226 is an apocalyptic number.

38520226 is a deficient number, since it is larger than the sum of its proper divisors (19260116).

38520226 is a wasteful number, since it uses less digits than its factorization.

38520226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19260115.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 38520226 is about 6206.4664665170. The cubic root of 38520226 is about 337.7247914427.

The spelling of 38520226 in words is "thirty-eight million, five hundred twenty thousand, two hundred twenty-six".