3531223320 has 64 divisors (see below), whose sum is σ = 10607937120. Its totient is φ = 940391424.

The previous prime is 3531223313. The next prime is 3531223331. The reversal of 3531223320 is 233221353.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 71404 + ... + 110276.

Almost surely, 2^3531223320 is an apocalyptic number.

3531223320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3531223320 is an abundant number, since it is smaller than the sum of its proper divisors (7076713800).

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

3531223320 is a wasteful number, since it uses less digits than its factorization.

3531223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39644 (or 39640 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 3531223320 is about 59424.0971323923. The cubic root of 3531223320 is about 1522.7960021006.

Adding to 3531223320 its reverse (233221353), we get a palindrome (3764444673).

The spelling of 3531223320 in words is "three billion, five hundred thirty-one million, two hundred twenty-three thousand, three hundred twenty".