222040351 has 4 divisors (see below), whose sum is σ = 239120392. Its totient is φ = 204960312.

The previous prime is 222040339. The next prime is 222040387. The reversal of 222040351 is 153040222.

222040351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222040351 - 2⁷ = 222040223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222040331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8540001 + ... + 8540026.

It is an arithmetic number, because the mean of its divisors is an integer number (59780098).

Almost surely, 2^222040351 is an apocalyptic number.

222040351 is a deficient number, since it is larger than the sum of its proper divisors (17080041).

222040351 is a wasteful number, since it uses less digits than its factorization.

222040351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17080040.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 222040351 is about 14901.0184551258. The cubic root of 222040351 is about 605.5415782064.

Adding to 222040351 its reverse (153040222), we get a palindrome (375080573).

The spelling of 222040351 in words is "two hundred twenty-two million, forty thousand, three hundred fifty-one".