2220492880 has 40 divisors (see below), whose sum is σ = 5340673800. Its totient is φ = 857568768.

The previous prime is 2220492871. The next prime is 2220492881. The reversal of 2220492880 is 882940222.

It can be written as a sum of positive squares in 4 ways, for example, as 923916816 + 1296576064 = 30396^2 + 36008^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220492881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476235 + ... + 480874.

It is an arithmetic number, because the mean of its divisors is an integer number (133516845).

Almost surely, 2^2220492880 is an apocalyptic number.

2220492880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220492880 is an abundant number, since it is smaller than the sum of its proper divisors (3120180920).

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

2220492880 is a wasteful number, since it uses less digits than its factorization.

2220492880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957151 (or 957145 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 2220492880 is about 47122.1060649882. The cubic root of 2220492880 is about 1304.6172852471.

The spelling of 2220492880 in words is "two billion, two hundred twenty million, four hundred ninety-two thousand, eight hundred eighty".