1422771269 has 2 divisors, whose sum is σ = 1422771270. Its totient is φ = 1422771268.

The previous prime is 1422771247. The next prime is 1422771271. The reversal of 1422771269 is 9621772241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243479169 + 179292100 = 35263^2 + 13390^2 .

It is an emirp because it is prime and its reverse (9621772241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422771269 is a prime.

It is a super-2 number, since 2×1422771269² = 4048556167783740722, which contains 22 as substring.

Together with 1422771271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422771289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711385634 + 711385635.

It is an arithmetic number, because the mean of its divisors is an integer number (711385635).

Almost surely, 2^1422771269 is an apocalyptic number.

It is an amenable number.

1422771269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422771269 is an equidigital number, since it uses as much as digits as its factorization.

1422771269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 1422771269 is about 37719.6403614881. The cubic root of 1422771269 is about 1124.7215821968.

The spelling of 1422771269 in words is "one billion, four hundred twenty-two million, seven hundred seventy-one thousand, two hundred sixty-nine".