1597639022 has 24 divisors (see below), whose sum is σ = 2951703504. Its totient is φ = 644425152.

The previous prime is 1597639013. The next prime is 1597639061. The reversal of 1597639022 is 2209367951.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 477818 + ... + 481149.

It is an arithmetic number, because the mean of its divisors is an integer number (122987646).

Almost surely, 2^1597639022 is an apocalyptic number.

1597639022 is a deficient number, since it is larger than the sum of its proper divisors (1354064482).

1597639022 is a wasteful number, since it uses less digits than its factorization.

1597639022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959000 (or 958993 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1597639022 is about 39970.4768798172. The cubic root of 1597639022 is about 1169.0315169530.

The spelling of 1597639022 in words is "one billion, five hundred ninety-seven million, six hundred thirty-nine thousand, twenty-two".