Search a number
-
+
22223113444 = 227793682623
BaseRepresentation
bin10100101100100110…
…011100110011100100
32010100202201010120201
4110230212130303210
5331003104112234
614113102240244
71414465230130
oct245446346344
963322633521
1022223113444
119474406064
124382586084
13213213c88c
14110b65c3c0
158a1001314
hex52c99cce4

22223113444 has 12 divisors (see below), whose sum is σ = 44446226944. Its totient is φ = 9524191464.

The previous prime is 22223113433. The next prime is 22223113477. The reversal of 22223113444 is 44431132222.

22223113444 is an admirable number.

It is a super-2 number, since 2×222231134442 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 793682623 = 22223113444 / (2 + 2 + 2 + 2 + 3 + 1 + 1 + 3 + 4 + 4 + 4).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 396841284 + ... + 396841339.

Almost surely, 222223113444 is an apocalyptic number.

It is an amenable number.

22223113444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22223113444 is a wasteful number, since it uses less digits than its factorization.

22223113444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793682634 (or 793682632 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 22223113444 its reverse (44431132222), we get a palindrome (66654245666).

The spelling of 22223113444 in words is "twenty-two billion, two hundred twenty-three million, one hundred thirteen thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 793682623 1587365246 3174730492 5555778361 11111556722 22223113444