222440667 has 8 divisors (see below), whose sum is σ = 298552320. Its totient is φ = 147311400.

The previous prime is 222440663. The next prime is 222440681. The reversal of 222440667 is 766044222.

222440667 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 not a de Polignac number, because 222440667 - 2² = 222440663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222440663) 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, 245067 + ... + 245972.

It is an arithmetic number, because the mean of its divisors is an integer number (37319040).

Almost surely, 2^222440667 is an apocalyptic number.

222440667 is a deficient number, since it is larger than the sum of its proper divisors (76111653).

222440667 is a wasteful number, since it uses less digits than its factorization.

222440667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491193.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 222440667 is about 14914.4449108909. Note that the first 3 decimals coincide. The cubic root of 222440667 is about 605.9052695327.

Adding to 222440667 its reverse (766044222), we get a palindrome (988484889).

The spelling of 222440667 in words is "two hundred twenty-two million, four hundred forty thousand, six hundred sixty-seven".