2231378582724 has 48 divisors (see below), whose sum is σ = 5785293709440. Its totient is φ = 743762244960.

The previous prime is 2231378582707. The next prime is 2231378582743. The reversal of 2231378582724 is 4272858731322.

It is a happy number.

2231378582724 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 37 + 8 + 582 + 7 + 24 = 666.

It is a super-3 number, since 3×2231378582724³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2290642 + ... + 3116054.

It is an arithmetic number, because the mean of its divisors is an integer number (120526952280).

Almost surely, 2^{2231378582724} is an apocalyptic number.

It is an amenable number.

2231378582724 is an abundant number, since it is smaller than the sum of its proper divisors (3553915126716).

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

2231378582724 is a wasteful number, since it uses less digits than its factorization.

2231378582724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850457 (or 850449 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 2231378582724 in words is "two trillion, two hundred thirty-one billion, three hundred seventy-eight million, five hundred eighty-two thousand, seven hundred twenty-four".