2226646420 has 12 divisors (see below), whose sum is σ = 4675957524. Its totient is φ = 890658560.

The previous prime is 2226646391. The next prime is 2226646439. The reversal of 2226646420 is 246466222.

It can be written as a sum of positive squares in 2 ways, for example, as 1050019216 + 1176627204 = 32404^2 + 34302^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55666141 + ... + 55666180.

It is an arithmetic number, because the mean of its divisors is an integer number (389663127).

Almost surely, 2^2226646420 is an apocalyptic number.

2226646420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2226646420 is an abundant number, since it is smaller than the sum of its proper divisors (2449311104).

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

2226646420 is a wasteful number, since it uses less digits than its factorization.

2226646420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111332330 (or 111332328 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2226646420 is about 47187.3544501067. The cubic root of 2226646420 is about 1305.8213137521.

It can be divided in two parts, 22266 and 46420, that added together give a palindrome (68686).

The spelling of 2226646420 in words is "two billion, two hundred twenty-six million, six hundred forty-six thousand, four hundred twenty".