4234452221221 has 8 divisors (see below), whose sum is σ = 4249281466080. Its totient is φ = 4219648880688.

The previous prime is 4234452221191. The next prime is 4234452221249. The reversal of 4234452221221 is 1221222544324.

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 4234452221221 - 2⁷ = 4234452221093 is a prime.

It is a super-2 number, since 2×4234452221221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4234432221221) 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, 6148551 + ... + 6802468.

It is an arithmetic number, because the mean of its divisors is an integer number (531160183260).

Almost surely, 2^{4234452221221} is an apocalyptic number.

It is an amenable number.

4234452221221 is a deficient number, since it is larger than the sum of its proper divisors (14829244859).

4234452221221 is a wasteful number, since it uses less digits than its factorization.

4234452221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12952163.

The product of its digits is 61440, while the sum is 34.

Adding to 4234452221221 its reverse (1221222544324), we get a palindrome (5455674765545).

The spelling of 4234452221221 in words is "four trillion, two hundred thirty-four billion, four hundred fifty-two million, two hundred twenty-one thousand, two hundred twenty-one".