1322223047 has 2 divisors, whose sum is σ = 1322223048. Its totient is φ = 1322223046.

The previous prime is 1322223043. The next prime is 1322223061. The reversal of 1322223047 is 7403222231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7403222231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1322223047 - 2² = 1322223043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322223043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661111523 + 661111524.

It is an arithmetic number, because the mean of its divisors is an integer number (661111524).

Almost surely, 2^1322223047 is an apocalyptic number.

1322223047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322223047 is an equidigital number, since it uses as much as digits as its factorization.

1322223047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 1322223047 is about 36362.3850565389. The cubic root of 1322223047 is about 1097.5767723202.

Adding to 1322223047 its reverse (7403222231), we get a palindrome (8725445278).

The spelling of 1322223047 in words is "one billion, three hundred twenty-two million, two hundred twenty-three thousand, forty-seven".