2279702438 has 8 divisors (see below), whose sum is σ = 3682596288. Its totient is φ = 1052170344.

The previous prime is 2279702413. The next prime is 2279702461. The reversal of 2279702438 is 8342079722.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43840406 + ... + 43840457.

It is an arithmetic number, because the mean of its divisors is an integer number (460324536).

Almost surely, 2^2279702438 is an apocalyptic number.

2279702438 is a deficient number, since it is larger than the sum of its proper divisors (1402893850).

2279702438 is a wasteful number, since it uses less digits than its factorization.

2279702438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87680878.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 2279702438 is about 47746.2295684172. The cubic root of 2279702438 is about 1316.1116129779. Note that the first 3 decimals are identical.

The spelling of 2279702438 in words is "two billion, two hundred seventy-nine million, seven hundred two thousand, four hundred thirty-eight".