221250102 has 8 divisors (see below), whose sum is σ = 442500216. Its totient is φ = 73750032.

The previous prime is 221250101. The next prime is 221250137. The reversal of 221250102 is 201052122.

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

221250102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221250101) 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, 18437503 + ... + 18437514.

It is an arithmetic number, because the mean of its divisors is an integer number (55312527).

Almost surely, 2^221250102 is an apocalyptic number.

221250102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221250102 is a wasteful number, since it uses less digits than its factorization.

221250102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36875022.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 221250102 is about 14874.4782093356. The cubic root of 221250102 is about 604.8223433926.

The spelling of 221250102 in words is "two hundred twenty-one million, two hundred fifty thousand, one hundred two".