1422849277 has 2 divisors, whose sum is σ = 1422849278. Its totient is φ = 1422849276.

The previous prime is 1422849269. The next prime is 1422849287. The reversal of 1422849277 is 7729482241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752350041 + 670499236 = 27429^2 + 25894^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422849277 - 2³ = 1422849269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422849247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711424638 + 711424639.

It is an arithmetic number, because the mean of its divisors is an integer number (711424639).

Almost surely, 2^1422849277 is an apocalyptic number.

It is an amenable number.

1422849277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422849277 is an equidigital number, since it uses as much as digits as its factorization.

1422849277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 46.

The square root of 1422849277 is about 37720.6743974707. The cubic root of 1422849277 is about 1124.7421373110.

The spelling of 1422849277 in words is "one billion, four hundred twenty-two million, eight hundred forty-nine thousand, two hundred seventy-seven".