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22453901 is a prime number
BaseRepresentation
bin101010110100…
…1111010001101
31120020202221222
41111221322031
521222011101
62121133125
7361566161
oct125517215
946222858
1022453901
1111746a48
12762a1a5
134862342
142da6ca1
151e8801b
hex1569e8d

22453901 has 2 divisors, whose sum is σ = 22453902. Its totient is φ = 22453900.

The previous prime is 22453883. The next prime is 22453903. The reversal of 22453901 is 10935422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15217801 + 7236100 = 3901^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 22453901 - 210 = 22452877 is a prime.

Together with 22453903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22453903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226950 + 11226951.

It is an arithmetic number, because the mean of its divisors is an integer number (11226951).

Almost surely, 222453901 is an apocalyptic number.

It is an amenable number.

22453901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22453901 is an equidigital number, since it uses as much as digits as its factorization.

22453901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22453901 is about 4738.5547374701. The cubic root of 22453901 is about 282.1178731954.

The spelling of 22453901 in words is "twenty-two million, four hundred fifty-three thousand, nine hundred one".