221250014 has 4 divisors (see below), whose sum is σ = 331875024. Its totient is φ = 110625006.

The previous prime is 221249993. The next prime is 221250031. The reversal of 221250014 is 410052122.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221249974 and 221250001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55312502 + ... + 55312505.

It is an arithmetic number, because the mean of its divisors is an integer number (82968756).

Almost surely, 2^221250014 is an apocalyptic number.

221250014 is a deficient number, since it is larger than the sum of its proper divisors (110625010).

221250014 is a wasteful number, since it uses less digits than its factorization.

221250014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110625009.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 221250014 is about 14874.4752512484. The cubic root of 221250014 is about 604.8222632052.

The spelling of 221250014 in words is "two hundred twenty-one million, two hundred fifty thousand, fourteen".