222534491 has 4 divisors (see below), whose sum is σ = 222720984. Its totient is φ = 222348000.

The previous prime is 222534463. The next prime is 222534541. The reversal of 222534491 is 194435222.

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-222534491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222534401) 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, 91445 + ... + 93846.

It is an arithmetic number, because the mean of its divisors is an integer number (55680246).

Almost surely, 2^222534491 is an apocalyptic number.

222534491 is a deficient number, since it is larger than the sum of its proper divisors (186493).

222534491 is a wasteful number, since it uses less digits than its factorization.

222534491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186492.

The product of its digits is 17280, while the sum is 32.

The square root of 222534491 is about 14917.5899863215. The cubic root of 222534491 is about 605.9904465013.

The spelling of 222534491 in words is "two hundred twenty-two million, five hundred thirty-four thousand, four hundred ninety-one".