222354645 has 32 divisors (see below), whose sum is σ = 386892288. Its totient is φ = 108592128.

The previous prime is 222354619. The next prime is 222354647. The reversal of 222354645 is 546453222.

It is a happy number.

222354645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222354645 - 2⁶ = 222354581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222354647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2349 + ... + 21218.

It is an arithmetic number, because the mean of its divisors is an integer number (12090384).

Almost surely, 2^222354645 is an apocalyptic number.

It is an amenable number.

222354645 is a deficient number, since it is larger than the sum of its proper divisors (164537643).

222354645 is a wasteful number, since it uses less digits than its factorization.

222354645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23629.

The product of its digits is 57600, while the sum is 33.

The square root of 222354645 is about 14911.5607834995. The cubic root of 222354645 is about 605.8271544650.

The spelling of 222354645 in words is "two hundred twenty-two million, three hundred fifty-four thousand, six hundred forty-five".