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2221222022131 = 71504132109641
BaseRepresentation
bin100000010100101011001…
…001100100101111110011
321212100100210002221221011
4200110223021210233303
5242343030314202011
64420225412411351
7316322644444510
oct40245311445763
97770323087834
102221222022131
11787018a19352
122ba5a2916b57
131315ca493298
147971727a307
153cba4608621
hex2052b264bf3

2221222022131 has 8 divisors (see below), whose sum is σ = 2538557534304. Its totient is φ = 1903891030080.

The previous prime is 2221222022119. The next prime is 2221222022137. The reversal of 2221222022131 is 1312202221222.

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 2221222022131 - 223 = 2221213633523 is a prime.

It is a super-2 number, since 2×22212220221312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221222022137) 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, 1930 + ... + 2107711.

It is an arithmetic number, because the mean of its divisors is an integer number (317319691788).

Almost surely, 22221222022131 is an apocalyptic number.

2221222022131 is a deficient number, since it is larger than the sum of its proper divisors (317335512173).

2221222022131 is a wasteful number, since it uses less digits than its factorization.

2221222022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260061.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2221222022131 its reverse (1312202221222), we get a palindrome (3533424243353).

The spelling of 2221222022131 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 7 150413 1052891 2109641 14767487 317317431733 2221222022131