227485420 has 24 divisors (see below), whose sum is σ = 484450848. Its totient is φ = 89712000.

The previous prime is 227485411. The next prime is 227485429. The reversal of 227485420 is 24584722.

It is an interprime number because it is at equal distance from previous prime (227485411) and next prime (227485429).

It is not an unprimeable number, because it can be changed into a prime (227485429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78681 + ... + 81520.

It is an arithmetic number, because the mean of its divisors is an integer number (20185452).

Almost surely, 2^227485420 is an apocalyptic number.

227485420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227485420 is an abundant number, since it is smaller than the sum of its proper divisors (256965428).

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

227485420 is a wasteful number, since it uses less digits than its factorization.

227485420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160281 (or 160279 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 227485420 is about 15082.6197989607. The cubic root of 227485420 is about 610.4515334615.

The spelling of 227485420 in words is "two hundred twenty-seven million, four hundred eighty-five thousand, four hundred twenty".