3522971232 has 168 divisors, whose sum is σ = 11345208840. Its totient is φ = 1067489280.

The previous prime is 3522971213. The next prime is 3522971269. The reversal of 3522971232 is 2321792253.

It is a happy number.

3522971232 is a `hidden beast` number, since 3 + 522 + 9 + 7 + 123 + 2 = 666.

It is a super-2 number, since 2×3522971232² = 24822652602999195648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 249744 + ... + 263472.

It is an arithmetic number, because the mean of its divisors is an integer number (67531005).

Almost surely, 2^3522971232 is an apocalyptic number.

3522971232 is a gapful number since it is divisible by the number (32) 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 3522971232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5672604420).

3522971232 is an abundant number, since it is smaller than the sum of its proper divisors (7822237608).

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

3522971232 is a wasteful number, since it uses less digits than its factorization.

3522971232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13768 (or 13745 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 3522971232 is about 59354.6226674890. The cubic root of 3522971232 is about 1521.6088735563.

The spelling of 3522971232 in words is "three billion, five hundred twenty-two million, nine hundred seventy-one thousand, two hundred thirty-two".