1522212047 has 2 divisors, whose sum is σ = 1522212048. Its totient is φ = 1522212046.

The previous prime is 1522212031. The next prime is 1522212119. The reversal of 1522212047 is 7402122251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1522212047 - 2⁴ = 1522212031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1522212007) 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, 761106023 + 761106024.

It is an arithmetic number, because the mean of its divisors is an integer number (761106024).

Almost surely, 2^1522212047 is an apocalyptic number.

1522212047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522212047 is an equidigital number, since it uses as much as digits as its factorization.

1522212047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1522212047 is about 39015.5359696621. The cubic root of 1522212047 is about 1150.3369011666.

Adding to 1522212047 its reverse (7402122251), we get a palindrome (8924334298).

The spelling of 1522212047 in words is "one billion, five hundred twenty-two million, two hundred twelve thousand, forty-seven".