4352221403055 has 48 divisors (see below), whose sum is σ = 7569459016704. Its totient is φ = 2313315417600.

The previous prime is 4352221403027. The next prime is 4352221403077. The reversal of 4352221403055 is 5503041222534.

4352221403055 is a `hidden beast` number, since 4 + 352 + 221 + 4 + 0 + 30 + 55 = 666.

It is not a de Polignac number, because 4352221403055 - 2¹⁰ = 4352221402031 is a prime.

It is a super-2 number, since 2×4352221403055² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20456787 + ... + 20668443.

It is an arithmetic number, because the mean of its divisors is an integer number (157697062848).

Almost surely, 2^{4352221403055} is an apocalyptic number.

4352221403055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4352221403055 is a deficient number, since it is larger than the sum of its proper divisors (3217237613649).

4352221403055 is a wasteful number, since it uses less digits than its factorization.

4352221403055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213216 (or 213213 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 4352221403055 its reverse (5503041222534), we get a palindrome (9855262625589).

The spelling of 4352221403055 in words is "four trillion, three hundred fifty-two billion, two hundred twenty-one million, four hundred three thousand, fifty-five".