Search a number
-
+
22322221001 = 179571243093
BaseRepresentation
bin10100110010100000…
…100000111111001001
32010121200012022120222
4110302200200333021
5331203442033001
614131002355425
71420110514343
oct246240407711
963550168528
1022322221001
119515348033
1243ab7bbb75
1321498300c2
14111a89a293
158a9a7b61b
hex532820fc9

22322221001 has 4 divisors (see below), whose sum is σ = 22323482052. Its totient is φ = 22320959952.

The previous prime is 22322220979. The next prime is 22322221007. The reversal of 22322221001 is 10012222322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19233529225 + 3088691776 = 138685^2 + 55576^2 .

It is a cyclic number.

It is not a de Polignac number, because 22322221001 - 214 = 22322204617 is a prime.

It is a super-3 number, since 3×223222210013 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22322221007) 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, 603590 + ... + 639503.

It is an arithmetic number, because the mean of its divisors is an integer number (5580870513).

Almost surely, 222322221001 is an apocalyptic number.

It is an amenable number.

22322221001 is a deficient number, since it is larger than the sum of its proper divisors (1261051).

22322221001 is a wasteful number, since it uses less digits than its factorization.

22322221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261050.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22322221001 its reverse (10012222322), we get a palindrome (32334443323).

The spelling of 22322221001 in words is "twenty-two billion, three hundred twenty-two million, two hundred twenty-one thousand, one".

Divisors: 1 17957 1243093 22322221001