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1225014233 = 3539346147
BaseRepresentation
bin100100100000100…
…0011101111011001
310011101002011121112
41021001003233121
510002100423413
6321320150105
742233310032
oct11101035731
93141064545
101225014233
11579541363
122a2308335
13166a41cc1
14b89a1a89
157282c2a8
hex49043bd9

1225014233 has 4 divisors (see below), whose sum is σ = 1225363920. Its totient is φ = 1224664548.

The previous prime is 1225014223. The next prime is 1225014253. The reversal of 1225014233 is 3324105221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3324105221 = 4770725643.

It is a cyclic number.

It is not a de Polignac number, because 1225014233 - 220 = 1223965657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225014199 and 1225014208.

It is not an unprimeable number, because it can be changed into a prime (1225014223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169535 + ... + 176612.

It is an arithmetic number, because the mean of its divisors is an integer number (306340980).

Almost surely, 21225014233 is an apocalyptic number.

It is an amenable number.

1225014233 is a deficient number, since it is larger than the sum of its proper divisors (349687).

1225014233 is an equidigital number, since it uses as much as digits as its factorization.

1225014233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349686.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1225014233 is about 35000.2033279808. The cubic root of 1225014233 is about 1069.9916245305.

Adding to 1225014233 its reverse (3324105221), we get a palindrome (4549119454).

The spelling of 1225014233 in words is "one billion, two hundred twenty-five million, fourteen thousand, two hundred thirty-three".

Divisors: 1 3539 346147 1225014233