249275307222 has 128 divisors (see below), whose sum is σ = 603077529600. Its totient is φ = 76011955200.

The previous prime is 249275307217. The next prime is 249275307223. The reversal of 249275307222 is 222703572942.

249275307222 is a `hidden beast` number, since 2 + 4 + 9 + 27 + 530 + 72 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249275307223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10187679 + ... + 10212117.

It is an arithmetic number, because the mean of its divisors is an integer number (4711543200).

Almost surely, 2^249275307222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249275307222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301538764800).

249275307222 is an abundant number, since it is smaller than the sum of its proper divisors (353802222378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249275307222 is a wasteful number, since it uses less digits than its factorization.

249275307222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24779 (or 24773 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 249275307222 in words is "two hundred forty-nine billion, two hundred seventy-five million, three hundred seven thousand, two hundred twenty-two".