222452947 has 4 divisors (see below), whose sum is σ = 222663280. Its totient is φ = 222242616.

The previous prime is 222452929. The next prime is 222452953. The reversal of 222452947 is 749254222.

It is a happy number.

222452947 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 a de Polignac number, because none of the positive numbers 2^k-222452947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222452957) 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, 103572 + ... + 105697.

It is an arithmetic number, because the mean of its divisors is an integer number (55665820).

Almost surely, 2^222452947 is an apocalyptic number.

222452947 is a deficient number, since it is larger than the sum of its proper divisors (210333).

222452947 is a wasteful number, since it uses less digits than its factorization.

222452947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210332.

The product of its digits is 80640, while the sum is 37.

The square root of 222452947 is about 14914.8565866387. The cubic root of 222452947 is about 605.9164191423.

The spelling of 222452947 in words is "two hundred twenty-two million, four hundred fifty-two thousand, nine hundred forty-seven".