222545113 has 24 divisors (see below), whose sum is σ = 275185512. Its totient is φ = 178827264.

The previous prime is 222545053. The next prime is 222545137. The reversal of 222545113 is 311545222.

222545113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28224 + 222516889 = 168^2 + 14917^2 .

It is not a de Polignac number, because 222545113 - 2¹³ = 222536921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222545143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360381 + ... + 360997.

It is an arithmetic number, because the mean of its divisors is an integer number (11466063).

Almost surely, 2^222545113 is an apocalyptic number.

It is an amenable number.

222545113 is a deficient number, since it is larger than the sum of its proper divisors (52640399).

222545113 is a wasteful number, since it uses less digits than its factorization.

222545113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1074 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 222545113 is about 14917.9460047287. The cubic root of 222545113 is about 606.0000880451. Note that the first 4 decimals are identical.

The spelling of 222545113 in words is "two hundred twenty-two million, five hundred forty-five thousand, one hundred thirteen".