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22357241 is a prime number
BaseRepresentation
bin101010101001…
…0010011111001
31120001212100222
41111102103321
521210412431
62115105425
7361014314
oct125222371
946055328
1022357241
1111690365
1275a2275
13482a34a
142d7d97b
151e6957b
hex15524f9

22357241 has 2 divisors, whose sum is σ = 22357242. Its totient is φ = 22357240.

The previous prime is 22357217. The next prime is 22357249. The reversal of 22357241 is 14275322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 6325225 = 4004^2 + 2515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22357241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22357241.

It is not a weakly prime, because it can be changed into another prime (22357249) 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, 11178620 + 11178621.

It is an arithmetic number, because the mean of its divisors is an integer number (11178621).

Almost surely, 222357241 is an apocalyptic number.

It is an amenable number.

22357241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22357241 is an equidigital number, since it uses as much as digits as its factorization.

22357241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 22357241 is about 4728.3444248489. The cubic root of 22357241 is about 281.7124686944.

The spelling of 22357241 in words is "twenty-two million, three hundred fifty-seven thousand, two hundred forty-one".