221114512 has 20 divisors (see below), whose sum is σ = 453610476. Its totient is φ = 104053760.

The previous prime is 221114497. The next prime is 221114527. The reversal of 221114512 is 215411122.

It is an interprime number because it is at equal distance from previous prime (221114497) and next prime (221114527).

It can be written as a sum of positive squares in 2 ways, for example, as 89415936 + 131698576 = 9456^2 + 11476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 221114512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406189 + ... + 406732.

Almost surely, 2^221114512 is an apocalyptic number.

It is an amenable number.

221114512 is an abundant number, since it is smaller than the sum of its proper divisors (232495964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221114512 is a wasteful number, since it uses less digits than its factorization.

221114512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812946 (or 812940 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 221114512 is about 14869.9197038854. The cubic root of 221114512 is about 604.6987658681.

Adding to 221114512 its reverse (215411122), we get a palindrome (436525634).

The spelling of 221114512 in words is "two hundred twenty-one million, one hundred fourteen thousand, five hundred twelve".