2220455142 has 24 divisors (see below), whose sum is σ = 4823120016. Its totient is φ = 738284976.

The previous prime is 2220455141. The next prime is 2220455183. The reversal of 2220455142 is 2415540222.

It is a super-3 number, since 3×2220455142³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220455141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148218 + ... + 162509.

It is an arithmetic number, because the mean of its divisors is an integer number (200963334).

Almost surely, 2^2220455142 is an apocalyptic number.

2220455142 is an abundant number, since it is smaller than the sum of its proper divisors (2602664874).

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

2220455142 is a wasteful number, since it uses less digits than its factorization.

2220455142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311132 (or 311129 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2220455142 is about 47121.7056355137. The cubic root of 2220455142 is about 1304.6098944066.

Adding to 2220455142 its reverse (2415540222), we get a palindrome (4635995364).

The spelling of 2220455142 in words is "two billion, two hundred twenty million, four hundred fifty-five thousand, one hundred forty-two".