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22914869 is a prime number
BaseRepresentation
bin101011101101…
…0011100110101
31121010012021212
41113122130311
521331233434
62135051205
7365526125
oct127323465
947105255
1022914869
1111a3130a
127810b05
1349940c3
143086c85
1520298ce
hex15da735

22914869 has 2 divisors, whose sum is σ = 22914870. Its totient is φ = 22914868.

The previous prime is 22914821. The next prime is 22914883. The reversal of 22914869 is 96841922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 114244 = 4775^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 22914869 - 224 = 6137653 is a prime.

It is a super-2 number, since 2×229148692 = 1050182442574322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22914809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11457434 + 11457435.

It is an arithmetic number, because the mean of its divisors is an integer number (11457435).

Almost surely, 222914869 is an apocalyptic number.

It is an amenable number.

22914869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22914869 is an equidigital number, since it uses as much as digits as its factorization.

22914869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 22914869 is about 4786.9477749397. The cubic root of 22914869 is about 284.0353928317.

The spelling of 22914869 in words is "twenty-two million, nine hundred fourteen thousand, eight hundred sixty-nine".