221270014 has 8 divisors (see below), whose sum is σ = 379320048. Its totient is φ = 94830000.

The previous prime is 221269999. The next prime is 221270017. The reversal of 221270014 is 410072122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 221269973 and 221270000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221270017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7902487 + ... + 7902514.

It is an arithmetic number, because the mean of its divisors is an integer number (47415006).

Almost surely, 2^221270014 is an apocalyptic number.

221270014 is a deficient number, since it is larger than the sum of its proper divisors (158050034).

221270014 is a wasteful number, since it uses less digits than its factorization.

221270014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805010.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 221270014 is about 14875.1475286802. The cubic root of 221270014 is about 604.8404870546.

The spelling of 221270014 in words is "two hundred twenty-one million, two hundred seventy thousand, fourteen".