4122221404 has 96 divisors (see below), whose sum is σ = 9054388224. Its totient is φ = 1601372160.

The previous prime is 4122221351. The next prime is 4122221419. The reversal of 4122221404 is 4041222214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3791749 + ... + 3792835.

It is an arithmetic number, because the mean of its divisors is an integer number (94316544).

Almost surely, 2^4122221404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4122221404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4527194112).

4122221404 is an abundant number, since it is smaller than the sum of its proper divisors (4932166820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4122221404 is a wasteful number, since it uses less digits than its factorization.

4122221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4122221404 is about 64204.5279088633. The cubic root of 4122221404 is about 1603.4069854445.

Adding to 4122221404 its reverse (4041222214), we get a palindrome (8163443618).

It can be divided in two parts, 41222 and 21404, that added together give a palindrome (62626).

The spelling of 4122221404 in words is "four billion, one hundred twenty-two million, two hundred twenty-one thousand, four hundred four".