Search a number
-
+
22207054 = 211103527
BaseRepresentation
bin101010010110…
…1101001001110
31112210020100111
41110231221032
521141111204
62111550234
7356520412
oct124555116
945706314
1022207054
1111598541
12752b37a
1347a6b8c
142d40d42
151e39d04
hex152da4e

22207054 has 4 divisors (see below), whose sum is σ = 33310584. Its totient is φ = 11103526.

The previous prime is 22207051. The next prime is 22207061. The reversal of 22207054 is 45070222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45070222 = 222535111.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22207051) 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, 5551762 + ... + 5551765.

It is an arithmetic number, because the mean of its divisors is an integer number (8327646).

Almost surely, 222207054 is an apocalyptic number.

22207054 is a deficient number, since it is larger than the sum of its proper divisors (11103530).

22207054 is a wasteful number, since it uses less digits than its factorization.

22207054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103529.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22207054 is about 4712.4361003625. The cubic root of 22207054 is about 281.0802403373.

Adding to 22207054 its reverse (45070222), we get a palindrome (67277276).

The spelling of 22207054 in words is "twenty-two million, two hundred seven thousand, fifty-four".

Divisors: 1 2 11103527 22207054