2202220044 has 36 divisors (see below), whose sum is σ = 5702500440. Its totient is φ = 716168640.

The previous prime is 2202220021. The next prime is 2202220079. The reversal of 2202220044 is 4400222022.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2202219999 and 2202220026.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744534 + ... + 747485.

It is an arithmetic number, because the mean of its divisors is an integer number (158402790).

Almost surely, 2^2202220044 is an apocalyptic number.

It is an amenable number.

2202220044 is an abundant number, since it is smaller than the sum of its proper divisors (3500280396).

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

2202220044 is a wasteful number, since it uses less digits than its factorization.

2202220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492070 (or 1492065 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2202220044 is about 46927.8173794606. The cubic root of 2202220044 is about 1301.0287801175.

Adding to 2202220044 its reverse (4400222022), we get a palindrome (6602442066).

The spelling of 2202220044 in words is "two billion, two hundred two million, two hundred twenty thousand, forty-four".