1422521213 has 2 divisors, whose sum is σ = 1422521214. Its totient is φ = 1422521212.

The previous prime is 1422521167. The next prime is 1422521231. The reversal of 1422521213 is 3121252241.

Together with next prime (1422521231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1392633124 + 29888089 = 37318^2 + 5467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422521213 - 2²² = 1418326909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422520213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711260606 + 711260607.

It is an arithmetic number, because the mean of its divisors is an integer number (711260607).

Almost surely, 2^1422521213 is an apocalyptic number.

It is an amenable number.

1422521213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422521213 is an equidigital number, since it uses as much as digits as its factorization.

1422521213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 1422521213 is about 37716.3255500851. The cubic root of 1422521213 is about 1124.6556873562.

Adding to 1422521213 its reverse (3121252241), we get a palindrome (4543773454).

The spelling of 1422521213 in words is "one billion, four hundred twenty-two million, five hundred twenty-one thousand, two hundred thirteen".