221134162 has 4 divisors (see below), whose sum is σ = 331701246. Its totient is φ = 110567080.

The previous prime is 221134153. The next prime is 221134223. The reversal of 221134162 is 261431122.

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

It can be written as a sum of positive squares in only one way, i.e., 194909521 + 26224641 = 13961^2 + 5121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55283539 + ... + 55283542.

Almost surely, 2^221134162 is an apocalyptic number.

221134162 is a deficient number, since it is larger than the sum of its proper divisors (110567084).

221134162 is a wasteful number, since it uses less digits than its factorization.

221134162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110567083.

The product of its digits is 576, while the sum is 22.

The square root of 221134162 is about 14870.5804190691. The cubic root of 221134162 is about 604.7166781234.

Adding to 221134162 its reverse (261431122), we get a palindrome (482565284).

The spelling of 221134162 in words is "two hundred twenty-one million, one hundred thirty-four thousand, one hundred sixty-two".