Search a number
-
+
200022221 = 7171680859
BaseRepresentation
bin10111110110000…
…01100011001101
3111221101011220102
423323001203031
5402201202341
631503100445
74646106110
oct1373014315
9457334812
10200022221
11a29a8723
1256ba1725
1332594459
141c7ca577
1512860c9b
hexbec18cd

200022221 has 8 divisors (see below), whose sum is σ = 242043840. Its totient is φ = 161362368.

The previous prime is 200022217. The next prime is 200022247. The reversal of 200022221 is 122220002.

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

It is not a de Polignac number, because 200022221 - 22 = 200022217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022821) 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, 840311 + ... + 840548.

It is an arithmetic number, because the mean of its divisors is an integer number (30255480).

Almost surely, 2200022221 is an apocalyptic number.

It is an amenable number.

200022221 is a deficient number, since it is larger than the sum of its proper divisors (42021619).

200022221 is a wasteful number, since it uses less digits than its factorization.

200022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680883.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 200022221 is about 14142.9212328995. The cubic root of 200022221 is about 584.8252050399.

Adding to 200022221 its reverse (122220002), we get a palindrome (322242223).

The spelling of 200022221 in words is "two hundred million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 7 17 119 1680859 11766013 28574603 200022221