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22012231001 = 157568324671
BaseRepresentation
bin10100100000000001…
…111111110101011001
32002211001220012020212
4110200001333311121
5330040112343001
614040130300505
71406324606405
oct244001776531
962731805225
1022012231001
11937636aa52
124323a27735
1320ca545177
1410cb646105
1588c7477bb
hex52007fd59

22012231001 has 8 divisors (see below), whose sum is σ = 22157232384. Its totient is φ = 21867290640.

The previous prime is 22012230997. The next prime is 22012231009. The reversal of 22012231001 is 10013221022.

It is a happy number.

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 22012231001 - 22 = 22012230997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012231009) 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 7 ways as a sum of consecutive naturals, for example, 879896 + ... + 904566.

It is an arithmetic number, because the mean of its divisors is an integer number (2769654048).

Almost surely, 222012231001 is an apocalyptic number.

It is an amenable number.

22012231001 is a deficient number, since it is larger than the sum of its proper divisors (145001383).

22012231001 is a wasteful number, since it uses less digits than its factorization.

22012231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30511.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22012231001 its reverse (10013221022), we get a palindrome (32025452023).

The spelling of 22012231001 in words is "twenty-two billion, twelve million, two hundred thirty-one thousand, one".

Divisors: 1 157 5683 24671 892231 3873347 140205293 22012231001