222768545 has 8 divisors (see below), whose sum is σ = 270706560. Its totient is φ = 175958640.

The previous prime is 222768499. The next prime is 222768563. The reversal of 222768545 is 545867222.

222768545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 222768545 - 2¹⁰ = 222767521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281591 + ... + 282380.

It is an arithmetic number, because the mean of its divisors is an integer number (33838320).

Almost surely, 2^222768545 is an apocalyptic number.

It is an amenable number.

222768545 is a deficient number, since it is larger than the sum of its proper divisors (47938015).

222768545 is an equidigital number, since it uses as much as digits as its factorization.

222768545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564055.

The product of its digits is 268800, while the sum is 41.

The square root of 222768545 is about 14925.4328245448. The cubic root of 222768545 is about 606.2028252519.

The spelling of 222768545 in words is "two hundred twenty-two million, seven hundred sixty-eight thousand, five hundred forty-five".