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22312021153 is a prime number
BaseRepresentation
bin10100110001111001…
…100110110010100001
32010120222000010000211
4110301321212302201
5331143334134103
614130000014121
71416625023232
oct246171466241
963528003024
1022312021153
11950a610804
1243a8301341
13214769b5a6
1411193a3089
158a8c1436d
hex531e66ca1

22312021153 has 2 divisors, whose sum is σ = 22312021154. Its totient is φ = 22312021152.

The previous prime is 22312021129. The next prime is 22312021169. The reversal of 22312021153 is 35112021322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22306318609 + 5702544 = 149353^2 + 2388^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312021153 - 29 = 22312020641 is a prime.

It is a super-3 number, since 3×223120211533 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22312321153) 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 as a sum of consecutive naturals, namely, 11156010576 + 11156010577.

It is an arithmetic number, because the mean of its divisors is an integer number (11156010577).

Almost surely, 222312021153 is an apocalyptic number.

It is an amenable number.

22312021153 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312021153 is an equidigital number, since it uses as much as digits as its factorization.

22312021153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 22312021153 its reverse (35112021322), we get a palindrome (57424042475).

The spelling of 22312021153 in words is "twenty-two billion, three hundred twelve million, twenty-one thousand, one hundred fifty-three".