1422792641 has 2 divisors, whose sum is σ = 1422792642. Its totient is φ = 1422792640.

The previous prime is 1422792629. The next prime is 1422792661. The reversal of 1422792641 is 1462972241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1383542416 + 39250225 = 37196^2 + 6265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422792641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422792595 and 1422792604.

It is not a weakly prime, because it can be changed into another prime (1422792661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711396320 + 711396321.

It is an arithmetic number, because the mean of its divisors is an integer number (711396321).

Almost surely, 2^1422792641 is an apocalyptic number.

It is an amenable number.

1422792641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422792641 is an equidigital number, since it uses as much as digits as its factorization.

1422792641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 1422792641 is about 37719.9236611105. The cubic root of 1422792641 is about 1124.7272137952.

The spelling of 1422792641 in words is "one billion, four hundred twenty-two million, seven hundred ninety-two thousand, six hundred forty-one".