2227145556 has 12 divisors (see below), whose sum is σ = 5196672992. Its totient is φ = 742381848.

The previous prime is 2227145549. The next prime is 2227145561. The reversal of 2227145556 is 6555417222.

2227145556 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2227145556² = 9920354655221098272, which contains 22 as substring.

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, 92797720 + ... + 92797743.

Almost surely, 2^2227145556 is an apocalyptic number.

It is an amenable number.

2227145556 is an abundant number, since it is smaller than the sum of its proper divisors (2969527436).

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

2227145556 is a wasteful number, since it uses less digits than its factorization.

2227145556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185595470 (or 185595468 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 2227145556 is about 47192.6430283365. The cubic root of 2227145556 is about 1305.9188795691.

The spelling of 2227145556 in words is "two billion, two hundred twenty-seven million, one hundred forty-five thousand, five hundred fifty-six".