1222122527 has 2 divisors, whose sum is σ = 1222122528. Its totient is φ = 1222122526.

The previous prime is 1222122511. The next prime is 1222122557. The reversal of 1222122527 is 7252212221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222122527 - 2⁴ = 1222122511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222122496 and 1222122505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222122557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061263 + 611061264.

It is an arithmetic number, because the mean of its divisors is an integer number (611061264).

Almost surely, 2^1222122527 is an apocalyptic number.

1222122527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122527 is an equidigital number, since it uses as much as digits as its factorization.

1222122527 is an evil number, because the sum of its binary digits is even.

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

The square root of 1222122527 is about 34958.8690749572. The cubic root of 1222122527 is about 1069.1490386765.

Adding to 1222122527 its reverse (7252212221), we get a palindrome (8474334748).

The spelling of 1222122527 in words is "one billion, two hundred twenty-two million, one hundred twenty-two thousand, five hundred twenty-seven".