1222403407 has 2 divisors, whose sum is σ = 1222403408. Its totient is φ = 1222403406.

The previous prime is 1222403393. The next prime is 1222403443. The reversal of 1222403407 is 7043042221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222403407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222403467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611201703 + 611201704.

It is an arithmetic number, because the mean of its divisors is an integer number (611201704).

Almost surely, 2^1222403407 is an apocalyptic number.

1222403407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222403407 is an equidigital number, since it uses as much as digits as its factorization.

1222403407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1222403407 is about 34962.8861365878. The cubic root of 1222403407 is about 1069.2309397877.

Adding to 1222403407 its reverse (7043042221), we get a palindrome (8265445628).

The spelling of 1222403407 in words is "one billion, two hundred twenty-two million, four hundred three thousand, four hundred seven".