39955226 has 4 divisors (see below), whose sum is σ = 59932842. Its totient is φ = 19977612.

The previous prime is 39955211. The next prime is 39955229. The reversal of 39955226 is 62255993.

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., 26988025 + 12967201 = 5195^2 + 3601^2 .

It is a super-2 number, since 2×39955226² = 3192840169422152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39955229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9988805 + ... + 9988808.

Almost surely, 2^39955226 is an apocalyptic number.

39955226 is a deficient number, since it is larger than the sum of its proper divisors (19977616).

39955226 is a wasteful number, since it uses less digits than its factorization.

39955226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19977615.

The product of its digits is 145800, while the sum is 41.

The square root of 39955226 is about 6321.0146337435. The cubic root of 39955226 is about 341.8675375894.

The spelling of 39955226 in words is "thirty-nine million, nine hundred fifty-five thousand, two hundred twenty-six".