2236121004 has 96 divisors (see below), whose sum is σ = 5762211840. Its totient is φ = 670699008.

The previous prime is 2236120979. The next prime is 2236121023. The reversal of 2236121004 is 4001216322.

2236121004 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2236121004³ (a number of 29 digits) contains 333 as substring.

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, 1167952 + ... + 1169864.

It is an arithmetic number, because the mean of its divisors is an integer number (60023040).

Almost surely, 2^2236121004 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 2236121004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2881105920).

2236121004 is an abundant number, since it is smaller than the sum of its proper divisors (3526090836).

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

2236121004 is a wasteful number, since it uses less digits than its factorization.

2236121004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2236121004 is about 47287.6411338100. The cubic root of 2236121004 is about 1307.6708226253.

Adding to 2236121004 its reverse (4001216322), we get a palindrome (6237337326).

It can be divided in two parts, 22361 and 21004, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 2236121004 in words is "two billion, two hundred thirty-six million, one hundred twenty-one thousand, four".