Search a number
-
+
22891114 = 211445557
BaseRepresentation
bin101011101010…
…0101001101010
31121001222201001
41113110221222
521330003424
62134345214
7365366641
oct127245152
947058631
1022891114
1111a15484
1277bb20a
13498634c
14307c358
152022844
hex15d4a6a

22891114 has 4 divisors (see below), whose sum is σ = 34336674. Its totient is φ = 11445556.

The previous prime is 22891111. The next prime is 22891117. The reversal of 22891114 is 41119822.

22891114 = T3905 + T3906 + T3907.

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

It is an interprime number because it is at equal distance from previous prime (22891111) and next prime (22891117).

It can be written as a sum of positive squares in only one way, i.e., 20385225 + 2505889 = 4515^2 + 1583^2 .

It is a super-3 number, since 3×228911143 (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22891111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722777 + ... + 5722780.

Almost surely, 222891114 is an apocalyptic number.

22891114 is the 3907-th centered triangular number.

22891114 is a deficient number, since it is larger than the sum of its proper divisors (11445560).

22891114 is a wasteful number, since it uses less digits than its factorization.

22891114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445559.

The product of its digits is 1152, while the sum is 28.

The square root of 22891114 is about 4784.4659054068. The cubic root of 22891114 is about 283.9372092222.

It can be divided in two parts, 22891 and 114, that added together give a triangular number (23005 = T214).

The spelling of 22891114 in words is "twenty-two million, eight hundred ninety-one thousand, one hundred fourteen".

Divisors: 1 2 11445557 22891114