Search a number
-
+
2222219802221 = 194124171180247
BaseRepresentation
bin100000010101100110100…
…111110011011001101101
321212102221022121102220022
4200111212213303121231
5242402101232132341
64420512414331525
7316356451441406
oct40254647633155
97772838542808
102222219802221
117874901662a1
122ba820ab9ba5
13131729103bc3
14797ad9aa9ad
153cc11eebe4b
hex205669f366d

2222219802221 has 16 divisors (see below), whose sum is σ = 2397225317760. Its totient is φ = 2053061521920.

The previous prime is 2222219802199. The next prime is 2222219802329. The reversal of 2222219802221 is 1222089122222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2222219802221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222219807221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292720 + ... + 2472966.

It is an arithmetic number, because the mean of its divisors is an integer number (149826582360).

Almost surely, 22222219802221 is an apocalyptic number.

It is an amenable number.

2222219802221 is a deficient number, since it is larger than the sum of its proper divisors (175005515539).

2222219802221 is a wasteful number, since it uses less digits than its factorization.

2222219802221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182724.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 2222219802221 in words is "two trillion, two hundred twenty-two billion, two hundred nineteen million, eight hundred two thousand, two hundred twenty-one".

Divisors: 1 19 41 779 2417 45923 99097 1180247 1882843 22424693 48390127 919412413 2852656999 54200482981 116958936959 2222219802221