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22220052013 = 39195669827
BaseRepresentation
bin10100101100011010…
…110001011000101101
32010100112221121002101
4110230122301120231
5331001313131023
614112512455101
71414430216515
oct245432613055
963315847071
1022220052013
119472704a55
12438154a491
13213160a293
14110b0a2845
158a0ae91ad
hex52c6b162d

22220052013 has 4 divisors (see below), whose sum is σ = 22225725760. Its totient is φ = 22214378268.

The previous prime is 22220052007. The next prime is 22220052053. The reversal of 22220052013 is 31025002222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31025002222 = 215512501111.

It is a cyclic number.

It is not a de Polignac number, because 22220052013 - 229 = 21683181101 is a prime.

It is a super-2 number, since 2×222200520132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220052053) 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, 2830995 + ... + 2838832.

It is an arithmetic number, because the mean of its divisors is an integer number (5556431440).

Almost surely, 222220052013 is an apocalyptic number.

It is an amenable number.

22220052013 is a deficient number, since it is larger than the sum of its proper divisors (5673747).

22220052013 is an equidigital number, since it uses as much as digits as its factorization.

22220052013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673746.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 22220052013 its reverse (31025002222), we get a palindrome (53245054235).

The spelling of 22220052013 in words is "twenty-two billion, two hundred twenty million, fifty-two thousand, thirteen".

Divisors: 1 3919 5669827 22220052013