2278157038 has 16 divisors (see below), whose sum is σ = 3753486720. Its totient is φ = 1032208056.

The previous prime is 2278157027. The next prime is 2278157099. The reversal of 2278157038 is 8307518722.

It is a junction number, because it is equal to n+sod(n) for n = 2278156985 and 2278157003.

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 7 ways as a sum of consecutive naturals, for example, 1302420 + ... + 1304167.

It is an arithmetic number, because the mean of its divisors is an integer number (234592920).

Almost surely, 2^2278157038 is an apocalyptic number.

2278157038 is a deficient number, since it is larger than the sum of its proper divisors (1475329682).

2278157038 is a wasteful number, since it uses less digits than its factorization.

2278157038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606631.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 2278157038 is about 47730.0433479795. The cubic root of 2278157038 is about 1315.8141503763.

The spelling of 2278157038 in words is "two billion, two hundred seventy-eight million, one hundred fifty-seven thousand, thirty-eight".