249945226 has 8 divisors (see below), whose sum is σ = 377163360. Its totient is φ = 124224108.

The previous prime is 249945221. The next prime is 249945257. The reversal of 249945226 is 622549942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (249945221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373836 + ... + 374503.

It is an arithmetic number, because the mean of its divisors is an integer number (47145420).

Almost surely, 2^249945226 is an apocalyptic number.

249945226 is a deficient number, since it is larger than the sum of its proper divisors (127218134).

249945226 is a wasteful number, since it uses less digits than its factorization.

249945226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748508.

The product of its digits is 311040, while the sum is 43.

The square root of 249945226 is about 15809.6560999915. The cubic root of 249945226 is about 629.9145143100.

The spelling of 249945226 in words is "two hundred forty-nine million, nine hundred forty-five thousand, two hundred twenty-six".