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1222013417 is a prime number
BaseRepresentation
bin100100011010110…
…0111000111101001
310011011102201021012
41020311213013221
510000313412132
6321131553305
742165641222
oct11065470751
93134381235
101222013417
11577881849
122a12bb835
13166231181
14b8420249
15724380b2
hex48d671e9

1222013417 has 2 divisors, whose sum is σ = 1222013418. Its totient is φ = 1222013416.

The previous prime is 1222013407. The next prime is 1222013423. The reversal of 1222013417 is 7143102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1112622736 + 109390681 = 33356^2 + 10459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222013417 - 218 = 1221751273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222013392 and 1222013401.

It is not a weakly prime, because it can be changed into another prime (1222013407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611006708 + 611006709.

It is an arithmetic number, because the mean of its divisors is an integer number (611006709).

Almost surely, 21222013417 is an apocalyptic number.

It is an amenable number.

1222013417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222013417 is an equidigital number, since it uses as much as digits as its factorization.

1222013417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1222013417 is about 34957.3084919306. The cubic root of 1222013417 is about 1069.1172201748.

Adding to 1222013417 its reverse (7143102221), we get a palindrome (8365115638).

The spelling of 1222013417 in words is "one billion, two hundred twenty-two million, thirteen thousand, four hundred seventeen".