250152221 has 8 divisors (see below), whose sum is σ = 273578688. Its totient is φ = 226840000.

The previous prime is 250152191. The next prime is 250152223. The reversal of 250152221 is 122251052.

It is a happy number.

250152221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 250152221 - 2¹⁸ = 249890077 is a prime.

It is a super-2 number, since 2×250152221² = 125152267342465682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250152193 and 250152202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250152223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23945 + ... + 32766.

It is an arithmetic number, because the mean of its divisors is an integer number (34197336).

Almost surely, 2^250152221 is an apocalyptic number.

It is an amenable number.

250152221 is a deficient number, since it is larger than the sum of its proper divisors (23426467).

250152221 is a wasteful number, since it uses less digits than its factorization.

250152221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57123.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 250152221 is about 15816.2012190033. The cubic root of 250152221 is about 630.0883566341.

The spelling of 250152221 in words is "two hundred fifty million, one hundred fifty-two thousand, two hundred twenty-one".