1422392648 has 8 divisors (see below), whose sum is σ = 2666986230. Its totient is φ = 711196320.

The previous prime is 1422392639. The next prime is 1422392651. The reversal of 1422392648 is 8462932241.

It can be written as a sum of positive squares in only one way, i.e., 984829924 + 437562724 = 31382^2 + 20918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1422392648³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88899533 + ... + 88899548.

Almost surely, 2^1422392648 is an apocalyptic number.

It is an amenable number.

1422392648 is a deficient number, since it is larger than the sum of its proper divisors (1244593582).

1422392648 is a wasteful number, since it uses less digits than its factorization.

1422392648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177799087 (or 177799083 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 1422392648 is about 37714.6211435300. The cubic root of 1422392648 is about 1124.6218048586.

The spelling of 1422392648 in words is "one billion, four hundred twenty-two million, three hundred ninety-two thousand, six hundred forty-eight".