220000044 has 48 divisors (see below), whose sum is σ = 571931136. Its totient is φ = 65246400.

The previous prime is 220000013. The next prime is 220000051. The reversal of 220000044 is 440000022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 219999984 and 220000029.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11527 + ... + 23934.

It is an arithmetic number, because the mean of its divisors is an integer number (11915232).

Almost surely, 2^220000044 is an apocalyptic number.

It is an amenable number.

220000044 is an abundant number, since it is smaller than the sum of its proper divisors (351931092).

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

220000044 is a wasteful number, since it uses less digits than its factorization.

220000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35526 (or 35524 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 220000044 is about 14832.3984574309. The cubic root of 220000044 is about 603.6811139252.

Adding to 220000044 its reverse (440000022), we get a palindrome (660000066).

The spelling of 220000044 in words is "two hundred twenty million, forty-four", and thus it is an aban number.