2263220646 has 16 divisors (see below), whose sum is σ = 4542553008. Its totient is φ = 751721600.

The previous prime is 2263220629. The next prime is 2263220651. The reversal of 2263220646 is 6460223622.

It is a congruent number.

It is an unprimeable number.

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, 669495 + ... + 672866.

It is an arithmetic number, because the mean of its divisors is an integer number (283909563).

Almost surely, 2^2263220646 is an apocalyptic number.

2263220646 is an abundant number, since it is smaller than the sum of its proper divisors (2279332362).

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

2263220646 is a wasteful number, since it uses less digits than its factorization.

2263220646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342647.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 2263220646 is about 47573.3186355545. The cubic root of 2263220646 is about 1312.9321973291.

The spelling of 2263220646 in words is "two billion, two hundred sixty-three million, two hundred twenty thousand, six hundred forty-six".