1728338022 has 48 divisors (see below), whose sum is σ = 3784191840. Its totient is φ = 570070656.

The previous prime is 1728338011. The next prime is 1728338023. The reversal of 1728338022 is 2208338271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728338023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 918879 + ... + 920757.

It is an arithmetic number, because the mean of its divisors is an integer number (78837330).

Almost surely, 2^1728338022 is an apocalyptic number.

1728338022 is an abundant number, since it is smaller than the sum of its proper divisors (2055853818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1728338022 is a wasteful number, since it uses less digits than its factorization.

1728338022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1728338022 is about 41573.2849556058. The cubic root of 1728338022 is about 1200.0782407319.

The spelling of 1728338022 in words is "one billion, seven hundred twenty-eight million, three hundred thirty-eight thousand, twenty-two".