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22111342401 = 322373294791
BaseRepresentation
bin10100100101111100…
…000100111101000001
32010001222101120112110
4110211330010331001
5330241000424101
614054030445533
71411640211051
oct244574047501
963058346473
1022111342401
1194173048a5
1243510638a9
132114c37375
1410da885561
158962c3cd6
hex525f04f41

22111342401 has 8 divisors (see below), whose sum is σ = 29494977984. Its totient is φ = 14734300880.

The previous prime is 22111342387. The next prime is 22111342411. The reversal of 22111342401 is 10424311122.

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

It is a cyclic number.

It is not a de Polignac number, because 22111342401 - 25 = 22111342369 is a prime.

It is a super-2 number, since 2×221113424012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22111342411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640685 + ... + 1654106.

It is an arithmetic number, because the mean of its divisors is an integer number (3686872248).

Almost surely, 222111342401 is an apocalyptic number.

It is an amenable number.

22111342401 is a deficient number, since it is larger than the sum of its proper divisors (7383635583).

22111342401 is a wasteful number, since it uses less digits than its factorization.

22111342401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297031.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22111342401 its reverse (10424311122), we get a palindrome (32535653523).

The spelling of 22111342401 in words is "twenty-two billion, one hundred eleven million, three hundred forty-two thousand, four hundred one".

Divisors: 1 3 2237 6711 3294791 9884373 7370447467 22111342401