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1225234441 is a prime number
BaseRepresentation
bin100100100000111…
…1001100000001001
310011101111100200101
41021001321200021
510002130000231
6321325005401
742235215034
oct11101714011
93141440611
101225234441
11579681852
122a23b3861
13166abb2c2
14b8a1c01b
1572872661
hex49079809

1225234441 has 2 divisors, whose sum is σ = 1225234442. Its totient is φ = 1225234440.

The previous prime is 1225234327. The next prime is 1225234453. The reversal of 1225234441 is 1444325221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733326400 + 491908041 = 27080^2 + 22179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225234441 - 27 = 1225234313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225234141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612617220 + 612617221.

It is an arithmetic number, because the mean of its divisors is an integer number (612617221).

Almost surely, 21225234441 is an apocalyptic number.

It is an amenable number.

1225234441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225234441 is an equidigital number, since it uses as much as digits as its factorization.

1225234441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 28.

The square root of 1225234441 is about 35003.3489969174. The cubic root of 1225234441 is about 1070.0557344247.

Adding to 1225234441 its reverse (1444325221), we get a palindrome (2669559662).

The spelling of 1225234441 in words is "one billion, two hundred twenty-five million, two hundred thirty-four thousand, four hundred forty-one".