249656222 has 8 divisors (see below), whose sum is σ = 375837096. Its totient is φ = 124377192.

The previous prime is 249656221. The next prime is 249656233. The reversal of 249656222 is 222656942.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249656221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224768 + ... + 225875.

It is an arithmetic number, because the mean of its divisors is an integer number (46979637).

Almost surely, 2^249656222 is an apocalyptic number.

249656222 is a deficient number, since it is larger than the sum of its proper divisors (126180874).

249656222 is a wasteful number, since it uses less digits than its factorization.

249656222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450922.

The product of its digits is 103680, while the sum is 38.

The square root of 249656222 is about 15800.5133460910. The cubic root of 249656222 is about 629.6716370634.

The spelling of 249656222 in words is "two hundred forty-nine million, six hundred fifty-six thousand, two hundred twenty-two".