234427603221 has 48 divisors (see below), whose sum is σ = 424932004224. Its totient is φ = 126078695424.

The previous prime is 234427603211. The next prime is 234427603229. The reversal of 234427603221 is 122306724432.

234427603221 is a `hidden beast` number, since 2 + 3 + 4 + 4 + 27 + 603 + 2 + 21 = 666.

It is not a de Polignac number, because 234427603221 - 2⁹ = 234427602709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234427603229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4024540 + ... + 4082373.

It is an arithmetic number, because the mean of its divisors is an integer number (8852750088).

Almost surely, 2^234427603221 is an apocalyptic number.

234427603221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

234427603221 is a deficient number, since it is larger than the sum of its proper divisors (190504401003).

234427603221 is an equidigital number, since it uses as much as digits as its factorization.

234427603221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106952 (or 8106940 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 234427603221 in words is "two hundred thirty-four billion, four hundred twenty-seven million, six hundred three thousand, two hundred twenty-one".