2278856205 has 48 divisors (see below), whose sum is σ = 4191580224. Its totient is φ = 1141378560.

The previous prime is 2278856201. The next prime is 2278856227. The reversal of 2278856205 is 5026588722.

2278856205 is a `hidden beast` number, since 2 + 2 + 7 + 88 + 562 + 0 + 5 = 666.

It is not a de Polignac number, because 2278856205 - 2² = 2278856201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278856201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 372582 + ... + 378648.

It is an arithmetic number, because the mean of its divisors is an integer number (87324588).

Almost surely, 2^2278856205 is an apocalyptic number.

It is an amenable number.

2278856205 is a deficient number, since it is larger than the sum of its proper divisors (1912724019).

2278856205 is a wasteful number, since it uses less digits than its factorization.

2278856205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586 (or 6583 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 2278856205 is about 47737.3669676073. The cubic root of 2278856205 is about 1315.9487445123.

The spelling of 2278856205 in words is "two billion, two hundred seventy-eight million, eight hundred fifty-six thousand, two hundred five".