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22746131 is a prime number
BaseRepresentation
bin101011011000…
…1010000010011
31120210121211022
41112301100103
521310334011
62131310055
7364224152
oct126612023
946717738
1022746131
1111926561
12774b32b
134935365
143041599
151ee48db
hex15b1413

22746131 has 2 divisors, whose sum is σ = 22746132. Its totient is φ = 22746130.

The previous prime is 22746079. The next prime is 22746133. The reversal of 22746131 is 13164722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22746131 - 218 = 22483987 is a prime.

It is a super-2 number, since 2×227461312 = 1034772950938322, which contains 22 as substring.

Together with 22746133, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22746131.

It is not a weakly prime, because it can be changed into another prime (22746133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11373065 + 11373066.

It is an arithmetic number, because the mean of its divisors is an integer number (11373066).

Almost surely, 222746131 is an apocalyptic number.

22746131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22746131 is an equidigital number, since it uses as much as digits as its factorization.

22746131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 22746131 is about 4769.2904084360. The cubic root of 22746131 is about 283.3364916218.

The spelling of 22746131 in words is "twenty-two million, seven hundred forty-six thousand, one hundred thirty-one".