2245578890 has 16 divisors (see below), whose sum is σ = 4052230632. Its totient is φ = 895967424.

The previous prime is 2245578883. The next prime is 2245578931. The reversal of 2245578890 is 988755422.

It can be written as a sum of positive squares in 4 ways, for example, as 2082735769 + 162843121 = 45637^2 + 12761^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278849 + ... + 286788.

Almost surely, 2^2245578890 is an apocalyptic number.

2245578890 is a deficient number, since it is larger than the sum of its proper divisors (1806651742).

2245578890 is a wasteful number, since it uses less digits than its factorization.

2245578890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566041.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 2245578890 is about 47387.5393959214. The cubic root of 2245578890 is about 1309.5118687153.

The spelling of 2245578890 in words is "two billion, two hundred forty-five million, five hundred seventy-eight thousand, eight hundred ninety".