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22101122233 = 30269730157
BaseRepresentation
bin10100100101010101…
…000101110010111001
32010001021011100002201
4110211111011302321
5330230341402413
614053023430201
71411454303461
oct244525056271
963037140081
1022101122233
119411564283
124349755361
132112a99528
1410d9384ba1
158954559dd
hex525545cb9

22101122233 has 4 divisors (see below), whose sum is σ = 22101882660. Its totient is φ = 22100361808.

The previous prime is 22101122213. The next prime is 22101122249. The reversal of 22101122233 is 33222110122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20766827449 + 1334294784 = 144107^2 + 36528^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101122233 - 213 = 22101114041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22101122233.

It is not an unprimeable number, because it can be changed into a prime (22101122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334810 + ... + 395347.

It is an arithmetic number, because the mean of its divisors is an integer number (5525470665).

Almost surely, 222101122233 is an apocalyptic number.

It is an amenable number.

22101122233 is a deficient number, since it is larger than the sum of its proper divisors (760427).

22101122233 is an equidigital number, since it uses as much as digits as its factorization.

22101122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760426.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22101122233 its reverse (33222110122), we get a palindrome (55323232355).

The spelling of 22101122233 in words is "twenty-two billion, one hundred one million, one hundred twenty-two thousand, two hundred thirty-three".

Divisors: 1 30269 730157 22101122233