227625640 has 64 divisors (see below), whose sum is σ = 578016000. Its totient is φ = 79914240.

The previous prime is 227625613. The next prime is 227625677. The reversal of 227625640 is 46526722.

It is a junction number, because it is equal to n+sod(n) for n = 227625596 and 227625605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3841 + ... + 21679.

It is an arithmetic number, because the mean of its divisors is an integer number (9031500).

Almost surely, 2^227625640 is an apocalyptic number.

227625640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227625640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289008000).

227625640 is an abundant number, since it is smaller than the sum of its proper divisors (350390360).

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

227625640 is a wasteful number, since it uses less digits than its factorization.

227625640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17890 (or 17886 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 227625640 is about 15087.2674795670. The cubic root of 227625640 is about 610.5769333411.

The spelling of 227625640 in words is "two hundred twenty-seven million, six hundred twenty-five thousand, six hundred forty".