2278819572 has 48 divisors (see below), whose sum is σ = 5455369920. Its totient is φ = 739968768.

The previous prime is 2278819561. The next prime is 2278819589. The reversal of 2278819572 is 2759188722.

It is a congruent number.

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, 195048 + ... + 206400.

It is an arithmetic number, because the mean of its divisors is an integer number (113653540).

Almost surely, 2^2278819572 is an apocalyptic number.

It is an amenable number.

2278819572 is an abundant number, since it is smaller than the sum of its proper divisors (3176550348).

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

2278819572 is a wasteful number, since it uses less digits than its factorization.

2278819572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11792 (or 11790 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 51.

The square root of 2278819572 is about 47736.9832729300. The cubic root of 2278819572 is about 1315.9416931081.

The spelling of 2278819572 in words is "two billion, two hundred seventy-eight million, eight hundred nineteen thousand, five hundred seventy-two".