220254221 has 8 divisors (see below), whose sum is σ = 240439584. Its totient is φ = 200095920.

The previous prime is 220254197. The next prime is 220254247. The reversal of 220254221 is 122452022.

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 220254221 - 2⁶ = 220254157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220254193 and 220254202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220254121) 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, 12710 + ... + 24536.

It is an arithmetic number, because the mean of its divisors is an integer number (30054948).

Almost surely, 2^220254221 is an apocalyptic number.

It is an amenable number.

220254221 is a deficient number, since it is larger than the sum of its proper divisors (20185363).

220254221 is a wasteful number, since it uses less digits than its factorization.

220254221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13531.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 220254221 is about 14840.9642880778. The cubic root of 220254221 is about 603.9135120596.

The spelling of 220254221 in words is "two hundred twenty million, two hundred fifty-four thousand, two hundred twenty-one".