248222561 has 8 divisors (see below), whose sum is σ = 249948864. Its totient is φ = 246501360.

The previous prime is 248222551. The next prime is 248222563. The reversal of 248222561 is 165222842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248222561 is a prime.

It is a super-2 number, since 2×248222561² = 123228879578797442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (248222563) 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, 161366 + ... + 162896.

It is an arithmetic number, because the mean of its divisors is an integer number (31243608).

Almost surely, 2^248222561 is an apocalyptic number.

It is an amenable number.

248222561 is a deficient number, since it is larger than the sum of its proper divisors (1726303).

248222561 is a wasteful number, since it uses less digits than its factorization.

248222561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551.

The product of its digits is 15360, while the sum is 32.

The square root of 248222561 is about 15755.0804821810. The cubic root of 248222561 is about 628.4640175158.

The spelling of 248222561 in words is "two hundred forty-eight million, two hundred twenty-two thousand, five hundred sixty-one".