2223511228 has 12 divisors (see below), whose sum is σ = 3894680160. Its totient is φ = 1110745472.

The previous prime is 2223511219. The next prime is 2223511237. The reversal of 2223511228 is 8221153222.

It is an interprime number because it is at equal distance from previous prime (2223511219) and next prime (2223511237).

It is a junction number, because it is equal to n+sod(n) for n = 2223511196 and 2223511205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247573 + ... + 256396.

It is an arithmetic number, because the mean of its divisors is an integer number (324556680).

Almost surely, 2^2223511228 is an apocalyptic number.

It is an amenable number.

2223511228 is a deficient number, since it is larger than the sum of its proper divisors (1671168932).

2223511228 is a wasteful number, since it uses less digits than its factorization.

2223511228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505076 (or 505074 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2223511228 is about 47154.1220679592. The cubic root of 2223511228 is about 1305.2081459706.

The spelling of 2223511228 in words is "two billion, two hundred twenty-three million, five hundred eleven thousand, two hundred twenty-eight".