1225414439 has 2 divisors, whose sum is σ = 1225414440. Its totient is φ = 1225414438.

The previous prime is 1225414391. The next prime is 1225414441. The reversal of 1225414439 is 9344145221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225414439 - 2¹² = 1225410343 is a prime.

Together with 1225414441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225414399 and 1225414408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225413439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612707219 + 612707220.

It is an arithmetic number, because the mean of its divisors is an integer number (612707220).

Almost surely, 2^1225414439 is an apocalyptic number.

1225414439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225414439 is an equidigital number, since it uses as much as digits as its factorization.

1225414439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 1225414439 is about 35005.9200564704. The cubic root of 1225414439 is about 1070.1081321413.

The spelling of 1225414439 in words is "one billion, two hundred twenty-five million, four hundred fourteen thousand, four hundred thirty-nine".