244578228 has 48 divisors (see below), whose sum is σ = 616049280. Its totient is φ = 75289984.

The previous prime is 244578227. The next prime is 244578239. The reversal of 244578228 is 822875442.

It is a super-2 number, since 2×244578228² = 119637019223239968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244578228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244578227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7275 + ... + 23282.

It is an arithmetic number, because the mean of its divisors is an integer number (12834360).

Almost surely, 2^244578228 is an apocalyptic number.

It is an amenable number.

244578228 is an abundant number, since it is smaller than the sum of its proper divisors (371471052).

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

244578228 is a wasteful number, since it uses less digits than its factorization.

244578228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30616 (or 30614 counting only the distinct ones).

The product of its digits is 286720, while the sum is 42.

The square root of 244578228 is about 15638.9970266638. The cubic root of 244578228 is about 625.3731983391.

The spelling of 244578228 in words is "two hundred forty-four million, five hundred seventy-eight thousand, two hundred twenty-eight".