221315114 has 4 divisors (see below), whose sum is σ = 331972674. Its totient is φ = 110657556.

The previous prime is 221315111. The next prime is 221315117. The reversal of 221315114 is 411513122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411513122 = 2 ⋅205756561.

It is an interprime number because it is at equal distance from previous prime (221315111) and next prime (221315117).

It can be written as a sum of positive squares in only one way, i.e., 205434889 + 15880225 = 14333^2 + 3985^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221315111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55328777 + ... + 55328780.

Almost surely, 2^221315114 is an apocalyptic number.

221315114 is a deficient number, since it is larger than the sum of its proper divisors (110657560).

221315114 is a wasteful number, since it uses less digits than its factorization.

221315114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110657559.

The product of its digits is 240, while the sum is 20.

The square root of 221315114 is about 14876.6634027930. The cubic root of 221315114 is about 604.8815778052.

Adding to 221315114 its reverse (411513122), we get a palindrome (632828236).

The spelling of 221315114 in words is "two hundred twenty-one million, three hundred fifteen thousand, one hundred fourteen".