221312232014 has 8 divisors (see below), whose sum is σ = 336923099688. Its totient is φ = 109004532120.

The previous prime is 221312231977. The next prime is 221312232017. The reversal of 221312232014 is 410232213122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221312232017) 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, 825791777 + ... + 825792044.

It is an arithmetic number, because the mean of its divisors is an integer number (42115387461).

Almost surely, 2^221312232014 is an apocalyptic number.

221312232014 is a deficient number, since it is larger than the sum of its proper divisors (115610867674).

221312232014 is a wasteful number, since it uses less digits than its factorization.

221312232014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651583890.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 221312232014 its reverse (410232213122), we get a palindrome (631544445136).

The spelling of 221312232014 in words is "two hundred twenty-one billion, three hundred twelve million, two hundred thirty-two thousand, fourteen".