2202278620 has 24 divisors (see below), whose sum is σ = 4635338400. Its totient is φ = 878901312.

The previous prime is 2202278587. The next prime is 2202278621. The reversal of 2202278620 is 268722022.

It is a super-2 number, since 2×2202278620² = 9700062240218208800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202278621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116635 + ... + 134194.

It is an arithmetic number, because the mean of its divisors is an integer number (193139100).

Almost surely, 2^2202278620 is an apocalyptic number.

2202278620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202278620 is an abundant number, since it is smaller than the sum of its proper divisors (2433059780).

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

2202278620 is a wasteful number, since it uses less digits than its factorization.

2202278620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251277 (or 251275 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2202278620 is about 46928.4414827512. The cubic root of 2202278620 is about 1301.0403152025.

The spelling of 2202278620 in words is "two billion, two hundred two million, two hundred seventy-eight thousand, six hundred twenty".