3522238020 has 240 divisors, whose sum is σ = 12686623488. Its totient is φ = 801342720.

The previous prime is 3522237941. The next prime is 3522238033. The reversal of 3522238020 is 208322253.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2981830 + ... + 2983010.

Almost surely, 2^3522238020 is an apocalyptic number.

3522238020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3522238020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6343311744).

3522238020 is an abundant number, since it is smaller than the sum of its proper divisors (9164385468).

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

3522238020 is a wasteful number, since it uses less digits than its factorization.

3522238020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3522238020 is about 59348.4458094734. The cubic root of 3522238020 is about 1521.5033055363.

The spelling of 3522238020 in words is "three billion, five hundred twenty-two million, two hundred thirty-eight thousand, twenty".