3552240421 has 8 divisors (see below), whose sum is σ = 3699072000. Its totient is φ = 3407031600.

The previous prime is 3552240407. The next prime is 3552240469. The reversal of 3552240421 is 1240422553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3552240421 - 2¹¹ = 3552238373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3552240421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3552240721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401221 + ... + 409978.

It is an arithmetic number, because the mean of its divisors is an integer number (462384000).

Almost surely, 2^3552240421 is an apocalyptic number.

It is an amenable number.

3552240421 is a deficient number, since it is larger than the sum of its proper divisors (146831579).

3552240421 is a wasteful number, since it uses less digits than its factorization.

3552240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811379.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 3552240421 is about 59600.6746690002. The cubic root of 3552240421 is about 1525.8111490154.

Adding to 3552240421 its reverse (1240422553), we get a palindrome (4792662974).

The spelling of 3552240421 in words is "three billion, five hundred fifty-two million, two hundred forty thousand, four hundred twenty-one".