44781228 has 24 divisors (see below), whose sum is σ = 116099760. Its totient is φ = 14927040.

The previous prime is 44781221. The next prime is 44781251. The reversal of 44781228 is 82218744.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44781192 and 44781201.

It is not an unprimeable number, because it can be changed into a prime (44781221) 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, 207213 + ... + 207428.

It is an arithmetic number, because the mean of its divisors is an integer number (4837490).

Almost surely, 2^44781228 is an apocalyptic number.

It is an amenable number.

44781228 is an abundant number, since it is smaller than the sum of its proper divisors (71318532).

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

44781228 is a wasteful number, since it uses less digits than its factorization.

44781228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414654 (or 414646 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 44781228 is about 6691.8777633785. The cubic root of 44781228 is about 355.1119874158. Note that the first 3 decimals are identical.

The spelling of 44781228 in words is "forty-four million, seven hundred eighty-one thousand, two hundred twenty-eight".