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22422893 is a prime number
BaseRepresentation
bin101010110001…
…0010101101101
31120012012102112
41111202111231
521220013033
62120333405
7361406603
oct125422555
946165375
1022422893
1111725719
127614265
1348511ac
142d99873
151e7dc48
hex156256d

22422893 has 2 divisors, whose sum is σ = 22422894. Its totient is φ = 22422892.

The previous prime is 22422863. The next prime is 22422919. The reversal of 22422893 is 39822422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20675209 + 1747684 = 4547^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 22422893 - 28 = 22422637 is a prime.

It is a super-2 number, since 2×224228932 = 1005572260978898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22422853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211446 + 11211447.

It is an arithmetic number, because the mean of its divisors is an integer number (11211447).

Almost surely, 222422893 is an apocalyptic number.

It is an amenable number.

22422893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22422893 is an equidigital number, since it uses as much as digits as its factorization.

22422893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 22422893 is about 4735.2817234036. The cubic root of 22422893 is about 281.9879486156.

The spelling of 22422893 in words is "twenty-two million, four hundred twenty-two thousand, eight hundred ninety-three".