2266220686 has 4 divisors (see below), whose sum is σ = 3399331032. Its totient is φ = 1133110342.

The previous prime is 2266220647. The next prime is 2266220713. The reversal of 2266220686 is 6860226622.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566555170 + ... + 566555173.

It is an arithmetic number, because the mean of its divisors is an integer number (849832758).

Almost surely, 2^2266220686 is an apocalyptic number.

2266220686 is a deficient number, since it is larger than the sum of its proper divisors (1133110346).

2266220686 is a wasteful number, since it uses less digits than its factorization.

2266220686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133110345.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2266220686 is about 47604.8388927008. The cubic root of 2266220686 is about 1313.5120656685.

The spelling of 2266220686 in words is "two billion, two hundred sixty-six million, two hundred twenty thousand, six hundred eighty-six".