2278534756 has 27 divisors (see below), whose sum is σ = 4134698841. Its totient is φ = 1098645744.

The previous prime is 2278534681. The next prime is 2278534757. The reversal of 2278534756 is 6574358722.

The square root of 2278534756 is 47734.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1194808356 + 1083726400 = 34566^2 + 32920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2278534757) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2768161 + ... + 2768983.

Almost surely, 2^2278534756 is an apocalyptic number.

2278534756 is the 47734-th square number.

It is an amenable number.

2278534756 is a deficient number, since it is larger than the sum of its proper divisors (1856164085).

2278534756 is an frugal number, since it uses more digits than its factorization.

2278534756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708 (or 854 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 49.

The cubic root of 2278534756 is about 1315.8868669356.

Multiplying 2278534756 by its sum of digits (49), we get a square (111648203044 = 334138²).

The spelling of 2278534756 in words is "two billion, two hundred seventy-eight million, five hundred thirty-four thousand, seven hundred fifty-six".