2249333778 has 8 divisors (see below), whose sum is σ = 4498667568. Its totient is φ = 749777924.

The previous prime is 2249333729. The next prime is 2249333803. The reversal of 2249333778 is 8773339422.

It is a sphenic number, since it is the product of 3 distinct primes.

2249333778 is an admirable number.

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, 187444476 + ... + 187444487.

It is an arithmetic number, because the mean of its divisors is an integer number (562333446).

Almost surely, 2^2249333778 is an apocalyptic number.

2249333778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2249333778 is a wasteful number, since it uses less digits than its factorization.

2249333778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374888968.

The product of its digits is 1524096, while the sum is 48.

The square root of 2249333778 is about 47427.1417861123. The cubic root of 2249333778 is about 1310.2413513318.

The spelling of 2249333778 in words is "two billion, two hundred forty-nine million, three hundred thirty-three thousand, seven hundred seventy-eight".