222540152 has 16 divisors (see below), whose sum is σ = 421315440. Its totient is φ = 110189376.

The previous prime is 222540133. The next prime is 222540173. The reversal of 222540152 is 251045222.

222540152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134213 + ... + 135860.

It is an arithmetic number, because the mean of its divisors is an integer number (26332215).

Almost surely, 2^222540152 is an apocalyptic number.

It is an amenable number.

222540152 is a deficient number, since it is larger than the sum of its proper divisors (198775288).

222540152 is a wasteful number, since it uses less digits than its factorization.

222540152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270182 (or 270178 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 222540152 is about 14917.7797275600. The cubic root of 222540152 is about 605.9955850049.

Adding to 222540152 its reverse (251045222), we get a palindrome (473585374).

The spelling of 222540152 in words is "two hundred twenty-two million, five hundred forty thousand, one hundred fifty-two".