2204440020025 has 24 divisors (see below), whose sum is σ = 2796637961304. Its totient is φ = 1723097625600.

The previous prime is 2204440019983. The next prime is 2204440020053. The reversal of 2204440020025 is 5200200444022.

It can be written as a sum of positive squares in 12 ways, for example, as 727835915689 + 1476604104336 = 853133^2 + 1215156^2 .

It is not a de Polignac number, because 2204440020025 - 2¹⁵ = 2204439987257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3132394 + ... + 3771043.

It is an arithmetic number, because the mean of its divisors is an integer number (116526581721).

Almost surely, 2^{2204440020025} is an apocalyptic number.

2204440020025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2204440020025 is a deficient number, since it is larger than the sum of its proper divisors (592197941279).

2204440020025 is a wasteful number, since it uses less digits than its factorization.

2204440020025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903741 (or 6903736 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 2204440020025 its reverse (5200200444022), we get a palindrome (7404640464047).

The spelling of 2204440020025 in words is "two trillion, two hundred four billion, four hundred forty million, twenty thousand, twenty-five".