222506045 has 8 divisors (see below), whose sum is σ = 267484896. Its totient is φ = 177686416.

The previous prime is 222506029. The next prime is 222506077. The reversal of 222506045 is 540605222.

222506045 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 222506045 - 2⁴ = 222506029 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 36707 + ... + 42336.

It is an arithmetic number, because the mean of its divisors is an integer number (33435612).

Almost surely, 2^222506045 is an apocalyptic number.

It is an amenable number.

222506045 is a deficient number, since it is larger than the sum of its proper divisors (44978851).

222506045 is an equidigital number, since it uses as much as digits as its factorization.

222506045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79611.

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

The square root of 222506045 is about 14916.6365176604. The cubic root of 222506045 is about 605.9646246782.

The spelling of 222506045 in words is "two hundred twenty-two million, five hundred six thousand, forty-five".