222201345 has 32 divisors (see below), whose sum is σ = 370226304. Its totient is φ = 113702400.

The previous prime is 222201337. The next prime is 222201361. The reversal of 222201345 is 543102222.

It is not a de Polignac number, because 222201345 - 2³ = 222201337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34554 + ... + 40476.

It is an arithmetic number, because the mean of its divisors is an integer number (11569572).

Almost surely, 2^222201345 is an apocalyptic number.

It is an amenable number.

222201345 is a deficient number, since it is larger than the sum of its proper divisors (148024959).

222201345 is a wasteful number, since it uses less digits than its factorization.

222201345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033.

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

The square root of 222201345 is about 14906.4195902302. The cubic root of 222201345 is about 605.6878954681.

Adding to 222201345 its reverse (543102222), we get a palindrome (765303567).

The spelling of 222201345 in words is "two hundred twenty-two million, two hundred one thousand, three hundred forty-five".