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22850831 is a prime number
BaseRepresentation
bin101011100101…
…0110100001111
31120222221110002
41113022310033
521322211311
62133434515
7365141333
oct127126417
946887402
1022850831
1111998193
12779ba3b
134970c03
14306b7c3
15201593b
hex15cad0f

22850831 has 2 divisors, whose sum is σ = 22850832. Its totient is φ = 22850830.

The previous prime is 22850827. The next prime is 22850833. The reversal of 22850831 is 13805822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22850831 - 22 = 22850827 is a prime.

It is a super-2 number, since 2×228508312 = 1044320954781122, which contains 22 as substring.

Together with 22850833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22850794 and 22850803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22850833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11425415 + 11425416.

It is an arithmetic number, because the mean of its divisors is an integer number (11425416).

Almost surely, 222850831 is an apocalyptic number.

22850831 is a deficient number, since it is larger than the sum of its proper divisors (1).

22850831 is an equidigital number, since it uses as much as digits as its factorization.

22850831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 22850831 is about 4780.2542819394. The cubic root of 22850831 is about 283.7705570958.

The spelling of 22850831 in words is "twenty-two million, eight hundred fifty thousand, eight hundred thirty-one".