1397222963 has 2 divisors, whose sum is σ = 1397222964. Its totient is φ = 1397222962.

The previous prime is 1397222933. The next prime is 1397222977. The reversal of 1397222963 is 3692227931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1397222963 - 2⁶ = 1397222899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1397222903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698611481 + 698611482.

It is an arithmetic number, because the mean of its divisors is an integer number (698611482).

Almost surely, 2^1397222963 is an apocalyptic number.

1397222963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1397222963 is an equidigital number, since it uses as much as digits as its factorization.

1397222963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 44.

The square root of 1397222963 is about 37379.4457289029. The cubic root of 1397222963 is about 1117.9487761388.

The spelling of 1397222963 in words is "one billion, three hundred ninety-seven million, two hundred twenty-two thousand, nine hundred sixty-three".