2220948280 has 32 divisors (see below), whose sum is σ = 5113350000. Its totient is φ = 867718656.

The previous prime is 2220948271. The next prime is 2220948281. The reversal of 2220948280 is 828490222.

It is a super-2 number, since 2×2220948280² = 9865222524869916800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220948281) 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, 643905 + ... + 647344.

Almost surely, 2^2220948280 is an apocalyptic number.

2220948280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220948280 is an abundant number, since it is smaller than the sum of its proper divisors (2892401720).

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

2220948280 is a wasteful number, since it uses less digits than its factorization.

2220948280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291303 (or 1291299 counting only the distinct ones).

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

The square root of 2220948280 is about 47126.9379442374. The cubic root of 2220948280 is about 1304.7064669637.

The spelling of 2220948280 in words is "two billion, two hundred twenty million, nine hundred forty-eight thousand, two hundred eighty".