2235218312 has 8 divisors (see below), whose sum is σ = 4191034350. Its totient is φ = 1117609152.

The previous prime is 2235218299. The next prime is 2235218351. The reversal of 2235218312 is 2138125322.

It can be written as a sum of positive squares in only one way, i.e., 1183772836 + 1051445476 = 34406^2 + 32426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139701137 + ... + 139701152.

Almost surely, 2^2235218312 is an apocalyptic number.

It is an amenable number.

2235218312 is a deficient number, since it is larger than the sum of its proper divisors (1955816038).

2235218312 is a wasteful number, since it uses less digits than its factorization.

2235218312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279402295 (or 279402291 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 2235218312 is about 47278.0954777157. The cubic root of 2235218312 is about 1307.4948358958.

The spelling of 2235218312 in words is "two billion, two hundred thirty-five million, two hundred eighteen thousand, three hundred twelve".