4033522421 has 8 divisors (see below), whose sum is σ = 4131915744. Its totient is φ = 3935337840.

The previous prime is 4033522399. The next prime is 4033522439. The reversal of 4033522421 is 1242253304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4033522421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4033522021) 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, 12710 + ... + 90711.

It is an arithmetic number, because the mean of its divisors is an integer number (516489468).

Almost surely, 2^4033522421 is an apocalyptic number.

It is an amenable number.

4033522421 is a deficient number, since it is larger than the sum of its proper divisors (98393323).

4033522421 is a wasteful number, since it uses less digits than its factorization.

4033522421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104371.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4033522421 is about 63510.0182727103. The cubic root of 4033522421 is about 1591.8231820332.

Adding to 4033522421 its reverse (1242253304), we get a palindrome (5275775725).

The spelling of 4033522421 in words is "four billion, thirty-three million, five hundred twenty-two thousand, four hundred twenty-one".