19220589 has 12 divisors (see below), whose sum is σ = 28659072. Its totient is φ = 12400200.

The previous prime is 19220573. The next prime is 19220633. The reversal of 19220589 is 98502291.

It is not a de Polignac number, because 19220589 - 2⁴ = 19220573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19221589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34167 + ... + 34724.

It is an arithmetic number, because the mean of its divisors is an integer number (2388256).

Almost surely, 2^19220589 is an apocalyptic number.

It is an amenable number.

19220589 is a deficient number, since it is larger than the sum of its proper divisors (9438483).

19220589 is a wasteful number, since it uses less digits than its factorization.

19220589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68928 (or 68925 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 19220589 is about 4384.1292179862. The cubic root of 19220589 is about 267.8688608055.

The spelling of 19220589 in words is "nineteen million, two hundred twenty thousand, five hundred eighty-nine".