44452212 has 72 divisors (see below), whose sum is σ = 127782144. Its totient is φ = 11950848.

The previous prime is 44452211. The next prime is 44452259. The reversal of 44452212 is 21225444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44452211) 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, 7773 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (1774752).

Almost surely, 2^44452212 is an apocalyptic number.

44452212 is a gapful number since it is divisible by the number (42) 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 44452212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63891072).

44452212 is an abundant number, since it is smaller than the sum of its proper divisors (83329932).

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

44452212 is a wasteful number, since it uses less digits than its factorization.

44452212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485 (or 4476 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 44452212 is about 6667.2492078818. The cubic root of 44452212 is about 354.2401575075.

Adding to 44452212 its reverse (21225444), we get a palindrome (65677656).

The spelling of 44452212 in words is "forty-four million, four hundred fifty-two thousand, two hundred twelve".