227155480 has 32 divisors (see below), whose sum is σ = 511693200. Its totient is φ = 90756736.

The previous prime is 227155477. The next prime is 227155517. The reversal of 227155480 is 84551722.

It is a happy number.

It is a super-2 number, since 2×227155480² = 103199224188060800, 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 7 ways as a sum of consecutive naturals, for example, 37974 + ... + 43546.

Almost surely, 2^227155480 is an apocalyptic number.

227155480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227155480 is an abundant number, since it is smaller than the sum of its proper divisors (284537720).

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

227155480 is a wasteful number, since it uses less digits than its factorization.

227155480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603 (or 6599 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 227155480 is about 15071.6780751182. The cubic root of 227155480 is about 610.1562620367.

The spelling of 227155480 in words is "two hundred twenty-seven million, one hundred fifty-five thousand, four hundred eighty".