4221123532 has 6 divisors (see below), whose sum is σ = 7386966188. Its totient is φ = 2110561764.

The previous prime is 4221123479. The next prime is 4221123539. The reversal of 4221123532 is 2353211224.

It is a junction number, because it is equal to n+sod(n) for n = 4221123497 and 4221123506.

It is not an unprimeable number, because it can be changed into a prime (4221123539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527640438 + ... + 527640445.

Almost surely, 2^4221123532 is an apocalyptic number.

It is an amenable number.

4221123532 is a deficient number, since it is larger than the sum of its proper divisors (3165842656).

4221123532 is a wasteful number, since it uses less digits than its factorization.

4221123532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055280887 (or 1055280885 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 4221123532 is about 64970.1741724616. The cubic root of 4221123532 is about 1616.1289900264.

Adding to 4221123532 its reverse (2353211224), we get a palindrome (6574334756).

The spelling of 4221123532 in words is "four billion, two hundred twenty-one million, one hundred twenty-three thousand, five hundred thirty-two".