222545123 has 8 divisors (see below), whose sum is σ = 228410640. Its totient is φ = 216754560.

The previous prime is 222545053. The next prime is 222545137. The reversal of 222545123 is 321545222.

222545123 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 a cyclic number.

It is not a de Polignac number, because 222545123 - 2⁸ = 222544867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222545092 and 222545101.

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 7 ways as a sum of consecutive naturals, for example, 12698 + ... + 24623.

It is an arithmetic number, because the mean of its divisors is an integer number (28551330).

Almost surely, 2^222545123 is an apocalyptic number.

222545123 is a deficient number, since it is larger than the sum of its proper divisors (5865517).

222545123 is an equidigital number, since it uses as much as digits as its factorization.

222545123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37477.

The product of its digits is 4800, while the sum is 26.

The square root of 222545123 is about 14917.9463398954. The cubic root of 222545123 is about 606.0000971219. Note that the first 4 decimals are identical.

Subtracting 222545123 from its reverse (321545222), we obtain a palindrome (99000099).

The spelling of 222545123 in words is "two hundred twenty-two million, five hundred forty-five thousand, one hundred twenty-three".