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22220743031 is a prime number
BaseRepresentation
bin10100101100011101…
…011010000101110111
32010100121020200222122
4110230131122011313
5331002002234111
614112535350155
71414436125244
oct245435320567
963317220878
1022220743031
119473037143
12438182235b
1321317bc976
14110b2025cb
158a0bd3cdb
hex52c75a177

22220743031 has 2 divisors, whose sum is σ = 22220743032. Its totient is φ = 22220743030.

The previous prime is 22220743021. The next prime is 22220743033. The reversal of 22220743031 is 13034702222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22220743031 is a prime.

It is a super-2 number, since 2×222207430312 (a number of 21 digits) contains 22 as substring.

Together with 22220743033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220743033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110371515 + 11110371516.

It is an arithmetic number, because the mean of its divisors is an integer number (11110371516).

Almost surely, 222220743031 is an apocalyptic number.

22220743031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220743031 is an equidigital number, since it uses as much as digits as its factorization.

22220743031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The spelling of 22220743031 in words is "twenty-two billion, two hundred twenty million, seven hundred forty-three thousand, thirty-one".