227695440 has 80 divisors (see below), whose sum is σ = 806698368. Its totient is φ = 52044288.

The previous prime is 227695409. The next prime is 227695451. The reversal of 227695440 is 44596722.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66087 + ... + 69446.

Almost surely, 2^227695440 is an apocalyptic number.

227695440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227695440 is an abundant number, since it is smaller than the sum of its proper divisors (579002928).

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

227695440 is a wasteful number, since it uses less digits than its factorization.

227695440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135556 (or 135550 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 227695440 is about 15089.5805110679. The cubic root of 227695440 is about 610.6393368478.

The spelling of 227695440 in words is "two hundred twenty-seven million, six hundred ninety-five thousand, four hundred forty".