222448745 has 8 divisors (see below), whose sum is σ = 267347520. Its totient is φ = 177686320.

The previous prime is 222448741. The next prime is 222448769. The reversal of 222448745 is 547844222.

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

It is not a de Polignac number, because 222448745 - 2² = 222448741 is a prime.

It is a super-4 number, since 4×222448745⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222448699 and 222448708.

It is not an unprimeable number, because it can be changed into a prime (222448741) 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, 30461 + ... + 37050.

It is an arithmetic number, because the mean of its divisors is an integer number (33418440).

Almost surely, 2^222448745 is an apocalyptic number.

It is an amenable number.

222448745 is a deficient number, since it is larger than the sum of its proper divisors (44898775).

222448745 is an equidigital number, since it uses as much as digits as its factorization.

222448745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68175.

The product of its digits is 143360, while the sum is 38.

The square root of 222448745 is about 14914.7157197179. The cubic root of 222448745 is about 605.9126039882.

The spelling of 222448745 in words is "two hundred twenty-two million, four hundred forty-eight thousand, seven hundred forty-five".