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22472089 is a prime number
BaseRepresentation
bin101010110111…
…0010110011001
31120021200220121
41111232112121
521223101324
62121353241
7362003203
oct125562631
946250817
1022472089
1111759682
127638821
13486a6c3
142dad773
151e8d5e4
hex156e599

22472089 has 2 divisors, whose sum is σ = 22472090. Its totient is φ = 22472088.

The previous prime is 22472083. The next prime is 22472111. The reversal of 22472089 is 98027422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22467600 + 4489 = 4740^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 22472089 - 25 = 22472057 is a prime.

It is not a weakly prime, because it can be changed into another prime (22472083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11236044 + 11236045.

It is an arithmetic number, because the mean of its divisors is an integer number (11236045).

Almost surely, 222472089 is an apocalyptic number.

It is an amenable number.

22472089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22472089 is an equidigital number, since it uses as much as digits as its factorization.

22472089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22472089 is about 4740.4734995568. The cubic root of 22472089 is about 282.1940258880.

The spelling of 22472089 in words is "twenty-two million, four hundred seventy-two thousand, eighty-nine".