2220022402200 has 72 divisors (see below), whose sum is σ = 7455575240100. Its totient is φ = 592005973440.

The previous prime is 2220022402181. The next prime is 2220022402201. The reversal of 2220022402200 is 22042200222.

It is a happy number.

2220022402200 is a `hidden beast` number, since 2 + 2 + 200 + 2 + 240 + 220 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220022402201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 616671090 + ... + 616674689.

Almost surely, 2^{2220022402200} is an apocalyptic number.

2220022402200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220022402200 is an abundant number, since it is smaller than the sum of its proper divisors (5235552837900).

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

2220022402200 is a wasteful number, since it uses less digits than its factorization.

2220022402200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233345801 (or 1233345789 counting only the distinct ones).

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

Adding to 2220022402200 its reverse (22042200222), we get a palindrome (2242064602422).

The spelling of 2220022402200 in words is "two trillion, two hundred twenty billion, twenty-two million, four hundred two thousand, two hundred".