2220220000400 has 30 divisors (see below), whose sum is σ = 5334078551922. Its totient is φ = 888088000000.

The previous prime is 2220220000399. The next prime is 2220220000421. The reversal of 2220220000400 is 40000220222.

It can be written as a sum of positive squares in 3 ways, for example, as 102100699024 + 2118119301376 = 319532^2 + 1455376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2775274601 + ... + 2775275400.

Almost surely, 2^{2220220000400} is an apocalyptic number.

2220220000400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220220000400 is an abundant number, since it is smaller than the sum of its proper divisors (3113858551522).

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

2220220000400 is a wasteful number, since it uses less digits than its factorization.

2220220000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550550019 (or 5550550008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 2220220000400 its reverse (40000220222), we get a palindrome (2260220220622).

The spelling of 2220220000400 in words is "two trillion, two hundred twenty billion, two hundred twenty million, four hundred", and thus it is an aban number.