2231525376 has 336 divisors, whose sum is σ = 7156094400. Its totient is φ = 692748288.

The previous prime is 2231525347. The next prime is 2231525399. The reversal of 2231525376 is 6735251322.

2231525376 is a `hidden beast` number, since 2 + 231 + 52 + 5 + 376 = 666.

It is a super-3 number, since 3×2231525376³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2231525376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37822435 + ... + 37822493.

It is an arithmetic number, because the mean of its divisors is an integer number (21297900).

Almost surely, 2^2231525376 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 2231525376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3578047200).

2231525376 is an abundant number, since it is smaller than the sum of its proper divisors (4924569024).

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

2231525376 is an frugal number, since it uses more digits than its factorization.

2231525376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 83 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 2231525376 is about 47239.0238679844. The cubic root of 2231525376 is about 1306.7743758683.

Adding to 2231525376 its reverse (6735251322), we get a palindrome (8966776698).

The spelling of 2231525376 in words is "two billion, two hundred thirty-one million, five hundred twenty-five thousand, three hundred seventy-six".