222448487 has 4 divisors (see below), whose sum is σ = 222478920. Its totient is φ = 222418056.

The previous prime is 222448481. The next prime is 222448489. The reversal of 222448487 is 784844222.

222448487 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222448487 - 2²⁶ = 155339623 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 (222448481) 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, 3089 + ... + 21317.

It is an arithmetic number, because the mean of its divisors is an integer number (55619730).

Almost surely, 2^222448487 is an apocalyptic number.

222448487 is a deficient number, since it is larger than the sum of its proper divisors (30433).

222448487 is a wasteful number, since it uses less digits than its factorization.

222448487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30432.

The product of its digits is 229376, while the sum is 41.

The square root of 222448487 is about 14914.7070705395. The cubic root of 222448487 is about 605.9123697387.

The spelling of 222448487 in words is "two hundred twenty-two million, four hundred forty-eight thousand, four hundred eighty-seven".