1222535407 has 2 divisors, whose sum is σ = 1222535408. Its totient is φ = 1222535406.

The previous prime is 1222535387. The next prime is 1222535443. The reversal of 1222535407 is 7045352221.

It is a weak prime.

It is an emirp because it is prime and its reverse (7045352221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222535407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222535497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611267703 + 611267704.

It is an arithmetic number, because the mean of its divisors is an integer number (611267704).

Almost surely, 2^1222535407 is an apocalyptic number.

1222535407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222535407 is an equidigital number, since it uses as much as digits as its factorization.

1222535407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1222535407 is about 34964.7738016421. The cubic root of 1222535407 is about 1069.2694250110.

Adding to 1222535407 its reverse (7045352221), we get a palindrome (8267887628).

The spelling of 1222535407 in words is "one billion, two hundred twenty-two million, five hundred thirty-five thousand, four hundred seven".