227633420 has 72 divisors (see below), whose sum is σ = 561440880. Its totient is φ = 77293440.

The previous prime is 227633411. The next prime is 227633423. The reversal of 227633420 is 24336722.

It is not an unprimeable number, because it can be changed into a prime (227633423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105755 + ... + 107885.

It is an arithmetic number, because the mean of its divisors is an integer number (7797790).

Almost surely, 2^227633420 is an apocalyptic number.

227633420 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 227633420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280720440).

227633420 is an abundant number, since it is smaller than the sum of its proper divisors (333807460).

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

227633420 is a wasteful number, since it uses less digits than its factorization.

227633420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 227633420 is about 15087.5253106664. The cubic root of 227633420 is about 610.5838895499.

The spelling of 227633420 in words is "two hundred twenty-seven million, six hundred thirty-three thousand, four hundred twenty".