Search a number
-
+
22012202 = 211006101
BaseRepresentation
bin101001111111…
…0000100101010
31112102100001202
41103332010222
521113342302
62103444202
7355046342
oct123760452
945370052
1022012202
1111475103
127456662
134739294
142ccdd22
151dec202
hex14fe12a

22012202 has 4 divisors (see below), whose sum is σ = 33018306. Its totient is φ = 11006100.

The previous prime is 22012187. The next prime is 22012231. The reversal of 22012202 is 20221022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20221022 = 210110511.

It can be written as a sum of positive squares in only one way, i.e., 19193161 + 2819041 = 4381^2 + 1679^2 .

It is an unprimeable number.

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, 5503049 + ... + 5503052.

Almost surely, 222012202 is an apocalyptic number.

22012202 is a deficient number, since it is larger than the sum of its proper divisors (11006104).

22012202 is a wasteful number, since it uses less digits than its factorization.

22012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006103.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22012202 is about 4691.7163170848. The cubic root of 22012202 is about 280.2557272546.

Adding to 22012202 its reverse (20221022), we get a palindrome (42233224).

The spelling of 22012202 in words is "twenty-two million, twelve thousand, two hundred two".

Divisors: 1 2 11006101 22012202