227620988 has 24 divisors (see below), whose sum is σ = 479203200. Its totient is φ = 92417328.

The previous prime is 227620963. The next prime is 227621011. The reversal of 227620988 is 889026722.

227620988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×227620988² = 103622628356192288, 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, 213398 + ... + 214461.

It is an arithmetic number, because the mean of its divisors is an integer number (19966800).

Almost surely, 2^227620988 is an apocalyptic number.

227620988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

227620988 is an abundant number, since it is smaller than the sum of its proper divisors (251582212).

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

227620988 is a wasteful number, since it uses less digits than its factorization.

227620988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427889 (or 427887 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 227620988 is about 15087.1133090462. The cubic root of 227620988 is about 610.5727738459.

The spelling of 227620988 in words is "two hundred twenty-seven million, six hundred twenty thousand, nine hundred eighty-eight".