1422521167 has 2 divisors, whose sum is σ = 1422521168. Its totient is φ = 1422521166.

The previous prime is 1422521131. The next prime is 1422521213. The reversal of 1422521167 is 7611252241.

It is a weak prime.

It is an emirp because it is prime and its reverse (7611252241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422521167 - 2⁷ = 1422521039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422521467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711260583 + 711260584.

It is an arithmetic number, because the mean of its divisors is an integer number (711260584).

Almost surely, 2^1422521167 is an apocalyptic number.

1422521167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422521167 is an equidigital number, since it uses as much as digits as its factorization.

1422521167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 1422521167 is about 37716.3249402696. The cubic root of 1422521167 is about 1124.6556752335.

The spelling of 1422521167 in words is "one billion, four hundred twenty-two million, five hundred twenty-one thousand, one hundred sixty-seven".