39705226 has 16 divisors (see below), whose sum is σ = 65069280. Its totient is φ = 18020880.

The previous prime is 39705223. The next prime is 39705241. The reversal of 39705226 is 62250793.

It is a happy number.

It is a super-2 number, since 2×39705226² = 3153009943422152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39705191 and 39705200.

It is not an unprimeable number, because it can be changed into a prime (39705223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26485 + ... + 27943.

It is an arithmetic number, because the mean of its divisors is an integer number (4066830).

Almost surely, 2^39705226 is an apocalyptic number.

39705226 is a deficient number, since it is larger than the sum of its proper divisors (25364054).

39705226 is a wasteful number, since it uses less digits than its factorization.

39705226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 39705226 is about 6301.2082968269. The cubic root of 39705226 is about 341.1530231129.

The spelling of 39705226 in words is "thirty-nine million, seven hundred five thousand, two hundred twenty-six".