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22797031 is a prime number
BaseRepresentation
bin101011011110…
…1101011100111
31120220012122111
41112331223213
521314001111
62132341451
7364525435
oct126755347
946805574
1022797031
1111960824
127774887
13495258a
143055d55
152004a21
hex15bdae7

22797031 has 2 divisors, whose sum is σ = 22797032. Its totient is φ = 22797030.

The previous prime is 22797007. The next prime is 22797041. The reversal of 22797031 is 13079722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22797031 - 25 = 22796999 is a prime.

It is a super-2 number, since 2×227970312 = 1039409244829922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22796984 and 22797002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22797041) 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, 11398515 + 11398516.

It is an arithmetic number, because the mean of its divisors is an integer number (11398516).

Almost surely, 222797031 is an apocalyptic number.

22797031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22797031 is an equidigital number, since it uses as much as digits as its factorization.

22797031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 22797031 is about 4774.6236500901. The cubic root of 22797031 is about 283.5476789417.

The spelling of 22797031 in words is "twenty-two million, seven hundred ninety-seven thousand, thirty-one".