2226692820 has 72 divisors (see below), whose sum is σ = 6853083552. Its totient is φ = 539802560.

The previous prime is 2226692753. The next prime is 2226692837. The reversal of 2226692820 is 282966222.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 146094 + ... + 160613.

It is an arithmetic number, because the mean of its divisors is an integer number (95181716).

Almost surely, 2^2226692820 is an apocalyptic number.

2226692820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2226692820 is an abundant number, since it is smaller than the sum of its proper divisors (4626390732).

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

2226692820 is a wasteful number, since it uses less digits than its factorization.

2226692820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306741 (or 306728 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 2226692820 is about 47187.8461046910. The cubic root of 2226692820 is about 1305.8303841472.

The spelling of 2226692820 in words is "two billion, two hundred twenty-six million, six hundred ninety-two thousand, eight hundred twenty".