222501243 has 8 divisors (see below), whose sum is σ = 302980608. Its totient is φ = 145178024.

The previous prime is 222501211. The next prime is 222501247. The reversal of 222501243 is 342105222.

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

It is a cyclic number.

It is not a de Polignac number, because 222501243 - 2⁵ = 222501211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222501247) 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, 788871 + ... + 789152.

It is an arithmetic number, because the mean of its divisors is an integer number (37872576).

Almost surely, 2^222501243 is an apocalyptic number.

222501243 is a deficient number, since it is larger than the sum of its proper divisors (80479365).

222501243 is a wasteful number, since it uses less digits than its factorization.

222501243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578073.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 222501243 is about 14916.4755555728. The cubic root of 222501243 is about 605.9602654512.

Adding to 222501243 its reverse (342105222), we get a palindrome (564606465).

The spelling of 222501243 in words is "two hundred twenty-two million, five hundred one thousand, two hundred forty-three".