227031420 has 192 divisors, whose sum is σ = 800142336. Its totient is φ = 46725120.

The previous prime is 227031403. The next prime is 227031433. The reversal of 227031420 is 24130722.

227031420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 725184 + ... + 725496.

It is an arithmetic number, because the mean of its divisors is an integer number (4167408).

Almost surely, 2^227031420 is an apocalyptic number.

227031420 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 227031420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400071168).

227031420 is an abundant number, since it is smaller than the sum of its proper divisors (573110916).

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

227031420 is a wasteful number, since it uses less digits than its factorization.

227031420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 227031420 is about 15067.5618465630. The cubic root of 227031420 is about 610.0451637258.

The spelling of 227031420 in words is "two hundred twenty-seven million, thirty-one thousand, four hundred twenty".