2231578948 has 12 divisors (see below), whose sum is σ = 3971454480. Its totient is φ = 1096877672.

The previous prime is 2231578931. The next prime is 2231578957. The reversal of 2231578948 is 8498751322.

It is a super-3 number, since 3×2231578948³ (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 3 ways as a sum of consecutive naturals, for example, 4727686 + ... + 4728157.

It is an arithmetic number, because the mean of its divisors is an integer number (330954540).

Almost surely, 2^2231578948 is an apocalyptic number.

It is an amenable number.

2231578948 is a deficient number, since it is larger than the sum of its proper divisors (1739875532).

2231578948 is a wasteful number, since it uses less digits than its factorization.

2231578948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455906 (or 9455904 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 2231578948 is about 47239.5908957730. The cubic root of 2231578948 is about 1306.7848329840.

The spelling of 2231578948 in words is "two billion, two hundred thirty-one million, five hundred seventy-eight thousand, nine hundred forty-eight".