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22100122 = 2111004551
BaseRepresentation
bin101010001001…
…1100010011010
31112120210200001
41110103202122
521124200442
62105403214
7355563562
oct124234232
945523601
1022100122
1111525170
12749950a
13476a2c5
142d13da2
151e182b7
hex151389a

22100122 has 8 divisors (see below), whose sum is σ = 36163872. Its totient is φ = 10045500.

The previous prime is 22100081. The next prime is 22100129.

22100122 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22100099 and 22100108.

It is not an unprimeable number, because it can be changed into a prime (22100129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502254 + ... + 502297.

It is an arithmetic number, because the mean of its divisors is an integer number (4520484).

Almost surely, 222100122 is an apocalyptic number.

22100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22100122 is a deficient number, since it is larger than the sum of its proper divisors (14063750).

22100122 is a wasteful number, since it uses less digits than its factorization.

22100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004564.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22100122 is about 4701.0766851861. The cubic root of 22100122 is about 280.6283592272.

It can be divided in two parts, 22100 and 122, that added together give a palindrome (22222).

The spelling of 22100122 in words is "twenty-two million, one hundred thousand, one hundred twenty-two".

Divisors: 1 2 11 22 1004551 2009102 11050061 22100122