1597872226 has 8 divisors (see below), whose sum is σ = 2398006224. Its totient is φ = 798536820.

The previous prime is 1597872209. The next prime is 1597872229. The reversal of 1597872226 is 6222787951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1597872226.

It is not an unprimeable number, because it can be changed into a prime (1597872229) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 194620 + ... + 202663.

It is an arithmetic number, because the mean of its divisors is an integer number (299750778).

Almost surely, 2^1597872226 is an apocalyptic number.

1597872226 is a deficient number, since it is larger than the sum of its proper divisors (800133998).

1597872226 is a wasteful number, since it uses less digits than its factorization.

1597872226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399296.

The product of its digits is 846720, while the sum is 49.

The square root of 1597872226 is about 39973.3939764939. The cubic root of 1597872226 is about 1169.0883945410.

The spelling of 1597872226 in words is "one billion, five hundred ninety-seven million, eight hundred seventy-two thousand, two hundred twenty-six".