227420400 has 60 divisors (see below), whose sum is σ = 728507192. Its totient is φ = 60645120.

The previous prime is 227420393. The next prime is 227420429. The reversal of 227420400 is 4024722.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 93559 + ... + 95958.

Almost surely, 2^227420400 is an apocalyptic number.

227420400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227420400 is an abundant number, since it is smaller than the sum of its proper divisors (501086792).

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

227420400 is a wasteful number, since it uses less digits than its factorization.

227420400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189538 (or 189527 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 227420400 is about 15080.4641838373. The cubic root of 227420400 is about 610.3933680622.

The spelling of 227420400 in words is "two hundred twenty-seven million, four hundred twenty thousand, four hundred".