2228633812 has 6 divisors (see below), whose sum is σ = 3900109178. Its totient is φ = 1114316904.

The previous prime is 2228633809. The next prime is 2228633821. The reversal of 2228633812 is 2183368222.

It can be written as a sum of positive squares in only one way, i.e., 2202049476 + 26584336 = 46926^2 + 5156^2 .

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, 278579223 + ... + 278579230.

Almost surely, 2^2228633812 is an apocalyptic number.

It is an amenable number.

2228633812 is a deficient number, since it is larger than the sum of its proper divisors (1671475366).

2228633812 is a wasteful number, since it uses less digits than its factorization.

2228633812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557158457 (or 557158455 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 2228633812 is about 47208.4082764924. The cubic root of 2228633812 is about 1306.2097015811.

The spelling of 2228633812 in words is "two billion, two hundred twenty-eight million, six hundred thirty-three thousand, eight hundred twelve".