2231503404 has 96 divisors (see below), whose sum is σ = 5793258240. Its totient is φ = 664167168.

The previous prime is 2231503399. The next prime is 2231503423. The reversal of 2231503404 is 4043051322.

It is a super-3 number, since 3×2231503404³ (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, 716202 + ... + 719310.

It is an arithmetic number, because the mean of its divisors is an integer number (60346440).

Almost surely, 2^2231503404 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 2231503404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2896629120).

2231503404 is an abundant number, since it is smaller than the sum of its proper divisors (3561754836).

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

2231503404 is a wasteful number, since it uses less digits than its factorization.

2231503404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279 (or 3277 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2231503404 is about 47238.7913054515. The cubic root of 2231503404 is about 1306.7700869424.

Adding to 2231503404 its reverse (4043051322), we get a palindrome (6274554726).

The spelling of 2231503404 in words is "two billion, two hundred thirty-one million, five hundred three thousand, four hundred four".