1422781967 has 2 divisors, whose sum is σ = 1422781968. Its totient is φ = 1422781966.

The previous prime is 1422781957. The next prime is 1422781981. The reversal of 1422781967 is 7691872241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1422781967 - 2²² = 1418587663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422781937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711390983 + 711390984.

It is an arithmetic number, because the mean of its divisors is an integer number (711390984).

Almost surely, 2^1422781967 is an apocalyptic number.

1422781967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422781967 is an equidigital number, since it uses as much as digits as its factorization.

1422781967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The square root of 1422781967 is about 37719.7821706330. The cubic root of 1422781967 is about 1124.7244011651.

The spelling of 1422781967 in words is "one billion, four hundred twenty-two million, seven hundred eighty-one thousand, nine hundred sixty-seven".