3728552022 has 36 divisors (see below), whose sum is σ = 8747763804. Its totient is φ = 1147245840.

The previous prime is 3728552021. The next prime is 3728552029. The reversal of 3728552022 is 2202558273.

It is a happy number.

3728552022 is a `hidden beast` number, since 37 + 2 + 85 + 520 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728552021) 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 17 ways as a sum of consecutive naturals, for example, 609804 + ... + 615887.

It is an arithmetic number, because the mean of its divisors is an integer number (242993439).

Almost surely, 2^3728552022 is an apocalyptic number.

3728552022 is an abundant number, since it is smaller than the sum of its proper divisors (5019211782).

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

3728552022 is a wasteful number, since it uses less digits than its factorization.

3728552022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225725 (or 1225709 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 3728552022 is about 61061.8704430187. The cubic root of 3728552022 is about 1550.6486389623.

The spelling of 3728552022 in words is "three billion, seven hundred twenty-eight million, five hundred fifty-two thousand, twenty-two".