2645966226 has 8 divisors (see below), whose sum is σ = 5291932464. Its totient is φ = 881988740.

The previous prime is 2645966221. The next prime is 2645966243. The reversal of 2645966226 is 6226695462.

It is a sphenic number, since it is the product of 3 distinct primes.

2645966226 is an admirable number.

It is a super-2 number, since 2×2645966226² = 14002274538265366152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2645966221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220497180 + ... + 220497191.

It is an arithmetic number, because the mean of its divisors is an integer number (661491558).

Almost surely, 2^2645966226 is an apocalyptic number.

2645966226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2645966226 is a wasteful number, since it uses less digits than its factorization.

2645966226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440994376.

The product of its digits is 1866240, while the sum is 48.

The square root of 2645966226 is about 51438.9563074524. The cubic root of 2645966226 is about 1383.1250027522.

The spelling of 2645966226 in words is "two billion, six hundred forty-five million, nine hundred sixty-six thousand, two hundred twenty-six".