2279790442 has 16 divisors (see below), whose sum is σ = 3485750112. Its totient is φ = 1117892880.

The previous prime is 2279790439. The next prime is 2279790479. The reversal of 2279790442 is 2440979722.

It is a junction number, because it is equal to n+sod(n) for n = 2279790392 and 2279790401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388333 + ... + 394159.

It is an arithmetic number, because the mean of its divisors is an integer number (217859382).

Almost surely, 2^2279790442 is an apocalyptic number.

2279790442 is a deficient number, since it is larger than the sum of its proper divisors (1205959670).

2279790442 is a wasteful number, since it uses less digits than its factorization.

2279790442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 2279790442 is about 47747.1511401466. The cubic root of 2279790442 is about 1316.1285481700.

The spelling of 2279790442 in words is "two billion, two hundred seventy-nine million, seven hundred ninety thousand, four hundred forty-two".