44002252 has 48 divisors (see below), whose sum is σ = 93623040. Its totient is φ = 17675712.

The previous prime is 44002247. The next prime is 44002253. The reversal of 44002252 is 25220044.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (44002253) 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, 56538 + ... + 57310.

It is an arithmetic number, because the mean of its divisors is an integer number (1950480).

Almost surely, 2^44002252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44002252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46811520).

44002252 is an abundant number, since it is smaller than the sum of its proper divisors (49620788).

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

44002252 is a wasteful number, since it uses less digits than its factorization.

44002252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 44002252 is about 6633.4193294258. The cubic root of 44002252 is about 353.0408564181.

Adding to 44002252 its reverse (25220044), we get a palindrome (69222296).

The spelling of 44002252 in words is "forty-four million, two thousand, two hundred fifty-two".