3522023440 has 80 divisors (see below), whose sum is σ = 8909773488. Its totient is φ = 1286995968.

The previous prime is 3522023413. The next prime is 3522023459. The reversal of 3522023440 is 443202253.

It can be written as a sum of positive squares in 8 ways, for example, as 308494096 + 3213529344 = 17564^2 + 56688^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3522023440² = 24809298223818867200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83424 + ... + 118336.

Almost surely, 2^3522023440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3522023440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4454886744).

3522023440 is an abundant number, since it is smaller than the sum of its proper divisors (5387750048).

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

3522023440 is a wasteful number, since it uses less digits than its factorization.

3522023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35036 (or 35030 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3522023440 is about 59346.6379839667. The cubic root of 3522023440 is about 1521.4724074910.

Adding to 3522023440 its reverse (443202253), we get a palindrome (3965225693).

The spelling of 3522023440 in words is "three billion, five hundred twenty-two million, twenty-three thousand, four hundred forty".