226993812 has 24 divisors (see below), whose sum is σ = 529900896. Its totient is φ = 75629088.

The previous prime is 226993807. The next prime is 226993829. The reversal of 226993812 is 218399622.

226993812 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39898 + ... + 45230.

It is an arithmetic number, because the mean of its divisors is an integer number (22079204).

Almost surely, 2^226993812 is an apocalyptic number.

It is an amenable number.

226993812 is an abundant number, since it is smaller than the sum of its proper divisors (302907084).

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

226993812 is a wasteful number, since it uses less digits than its factorization.

226993812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887 (or 8885 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 226993812 is about 15066.3138159272. The cubic root of 226993812 is about 610.0114769855.

The spelling of 226993812 in words is "two hundred twenty-six million, nine hundred ninety-three thousand, eight hundred twelve".