649583422 has 4 divisors (see below), whose sum is σ = 974375136. Its totient is φ = 324791710.

The previous prime is 649583401. The next prime is 649583483. The reversal of 649583422 is 224385946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224385946 = 2 ⋅112192973.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162395854 + ... + 162395857.

It is an arithmetic number, because the mean of its divisors is an integer number (243593784).

Almost surely, 2^649583422 is an apocalyptic number.

649583422 is a deficient number, since it is larger than the sum of its proper divisors (324791714).

649583422 is a wasteful number, since it uses less digits than its factorization.

649583422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324791713.

The product of its digits is 414720, while the sum is 43.

The square root of 649583422 is about 25486.9264918311. The cubic root of 649583422 is about 866.0540113557.

The spelling of 649583422 in words is "six hundred forty-nine million, five hundred eighty-three thousand, four hundred twenty-two".