220440222002 has 64 divisors (see below), whose sum is σ = 444051465984. Its totient is φ = 79263498240.

The previous prime is 220440221959. The next prime is 220440222007. The reversal of 220440222002 is 200222044022.

It is not an unprimeable number, because it can be changed into a prime (220440222007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15882938 + ... + 15896810.

It is an arithmetic number, because the mean of its divisors is an integer number (6938304156).

Almost surely, 2^220440222002 is an apocalyptic number.

220440222002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220440222002 is an abundant number, since it is smaller than the sum of its proper divisors (223611243982).

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

220440222002 is a wasteful number, since it uses less digits than its factorization.

220440222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21843.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 220440222002 its reverse (200222044022), we get a palindrome (420662266024).

The spelling of 220440222002 in words is "two hundred twenty billion, four hundred forty million, two hundred twenty-two thousand, two".