332221121 has 4 divisors (see below), whose sum is σ = 332502192. Its totient is φ = 331940052.

The previous prime is 332221117. The next prime is 332221133. The reversal of 332221121 is 121122233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121122233 = 571 ⋅212123.

It is a cyclic number.

It is not a de Polignac number, because 332221121 - 2² = 332221117 is a prime.

It is a super-2 number, since 2×332221121² = 220741746476993282, which contains 22 as substring.

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 332221121.

It is not an unprimeable number, because it can be changed into a prime (332221181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138755 + ... + 141128.

It is an arithmetic number, because the mean of its divisors is an integer number (83125548).

Almost surely, 2^332221121 is an apocalyptic number.

It is an amenable number.

332221121 is a deficient number, since it is larger than the sum of its proper divisors (281071).

332221121 is a wasteful number, since it uses less digits than its factorization.

332221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281070.

The product of its digits is 144, while the sum is 17.

The square root of 332221121 is about 18226.9339440291. The cubic root of 332221121 is about 692.5892500972.

Adding to 332221121 its reverse (121122233), we get a palindrome (453343354).

It can be divided in two parts, 33222 and 1121, that added together give a palindrome (34343).

The spelling of 332221121 in words is "three hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty-one".