1222303403 has 2 divisors, whose sum is σ = 1222303404. Its totient is φ = 1222303402.

The previous prime is 1222303393. The next prime is 1222303427. The reversal of 1222303403 is 3043032221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3043032221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222303403 - 2⁴ = 1222303387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222303903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611151701 + 611151702.

It is an arithmetic number, because the mean of its divisors is an integer number (611151702).

Almost surely, 2^1222303403 is an apocalyptic number.

1222303403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222303403 is an equidigital number, since it uses as much as digits as its factorization.

1222303403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1222303403 is about 34961.4559622451. The cubic root of 1222303403 is about 1069.2017813047.

Adding to 1222303403 its reverse (3043032221), we get a palindrome (4265335624).

The spelling of 1222303403 in words is "one billion, two hundred twenty-two million, three hundred three thousand, four hundred three".