Search a number
-
+
22401082 = 2117912889
BaseRepresentation
bin101010101110…
…1000000111010
31120011002111201
41111131000322
521213313312
62120044414
7361256164
oct125350072
946132451
1022401082
11117102a0
12760370a
1348442a2
142d91934
151e77557
hex155d03a

22401082 has 16 divisors (see below), whose sum is σ = 37123200. Its totient is φ = 10052640.

The previous prime is 22401077. The next prime is 22401089. The reversal of 22401082 is 28010422.

It is not an unprimeable number, because it can be changed into a prime (22401089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4707 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (2320200).

Almost surely, 222401082 is an apocalyptic number.

22401082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22401082 is a deficient number, since it is larger than the sum of its proper divisors (14722118).

22401082 is a wasteful number, since it uses less digits than its factorization.

22401082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12981.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 22401082 is about 4732.9781322123. The cubic root of 22401082 is about 281.8964880055.

It can be divided in two parts, 22 and 401082, that added together give a palindrome (401104).

The spelling of 22401082 in words is "twenty-two million, four hundred one thousand, eighty-two".

Divisors: 1 2 11 22 79 158 869 1738 12889 25778 141779 283558 1018231 2036462 11200541 22401082