2223655444 has 6 divisors (see below), whose sum is σ = 3891397034. Its totient is φ = 1111827720.

The previous prime is 2223655411. The next prime is 2223655501. The reversal of 2223655444 is 4445563222.

It can be written as a sum of positive squares in only one way, i.e., 1961604100 + 262051344 = 44290^2 + 16188^2 .

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, 277956927 + ... + 277956934.

Almost surely, 2^2223655444 is an apocalyptic number.

It is an amenable number.

2223655444 is a deficient number, since it is larger than the sum of its proper divisors (1667741590).

2223655444 is a wasteful number, since it uses less digits than its factorization.

2223655444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555913865 (or 555913863 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

The square root of 2223655444 is about 47155.6512413942. The cubic root of 2223655444 is about 1305.2363637770.

The spelling of 2223655444 in words is "two billion, two hundred twenty-three million, six hundred fifty-five thousand, four hundred forty-four".