Search a number
-
+
22122012010 = 257316028743
BaseRepresentation
bin10100100110100100…
…110001110101101010
32010002201110122111011
4110212210301311222
5330301213341020
614055051254134
71412126666560
oct244644616552
963081418434
1022122012010
11942233205a
12435474a34a
132117201947
1410dc061a30
158971d035a
hex526931d6a

22122012010 has 16 divisors (see below), whose sum is σ = 45508139136. Its totient is φ = 7584689808.

The previous prime is 22122011987. The next prime is 22122012013. The reversal of 22122012010 is 1021022122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22122012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158014302 + ... + 158014441.

It is an arithmetic number, because the mean of its divisors is an integer number (2844258696).

Almost surely, 222122012010 is an apocalyptic number.

22122012010 is an abundant number, since it is smaller than the sum of its proper divisors (23386127126).

22122012010 is a wasteful number, since it uses less digits than its factorization.

22122012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316028757.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22122012010 its reverse (1021022122), we get a palindrome (23143034132).

The spelling of 22122012010 in words is "twenty-two billion, one hundred twenty-two million, twelve thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 316028743 632057486 1580143715 2212201201 3160287430 4424402402 11061006005 22122012010