2244622578 has 64 divisors (see below), whose sum is σ = 5119027200. Its totient is φ = 649503360.

The previous prime is 2244622561. The next prime is 2244622579. The reversal of 2244622578 is 8752264422.

It is not an unprimeable number, because it can be changed into a prime (2244622579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1394238 + ... + 1395846.

It is an arithmetic number, because the mean of its divisors is an integer number (79984800).

Almost surely, 2^2244622578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2244622578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2559513600).

2244622578 is an abundant number, since it is smaller than the sum of its proper divisors (2874404622).

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

2244622578 is a wasteful number, since it uses less digits than its factorization.

2244622578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567.

The product of its digits is 430080, while the sum is 42.

The square root of 2244622578 is about 47377.4479895235. The cubic root of 2244622578 is about 1309.3259508461.

The spelling of 2244622578 in words is "two billion, two hundred forty-four million, six hundred twenty-two thousand, five hundred seventy-eight".