2278372530 has 64 divisors (see below), whose sum is σ = 6464759040. Its totient is φ = 502811904.

The previous prime is 2278372529. The next prime is 2278372541. The reversal of 2278372530 is 352738722.

2278372530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180969 + ... + 193148.

It is an arithmetic number, because the mean of its divisors is an integer number (101011860).

Almost surely, 2^2278372530 is an apocalyptic number.

2278372530 is an abundant number, since it is smaller than the sum of its proper divisors (4186386510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2278372530 is a wasteful number, since it uses less digits than its factorization.

2278372530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374163.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 2278372530 is about 47732.3006987931. The cubic root of 2278372530 is about 1315.8556369051.

The spelling of 2278372530 in words is "two billion, two hundred seventy-eight million, three hundred seventy-two thousand, five hundred thirty".