44442212 has 12 divisors (see below), whose sum is σ = 78007020. Its totient is φ = 22154496.

The previous prime is 44442193. The next prime is 44442227. The reversal of 44442212 is 21224444.

It can be written as a sum of positive squares in 2 ways, for example, as 14258176 + 30184036 = 3776^2 + 5494^2 .

It is a super-3 number, since 3×44442212³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15137 + ... + 17832.

It is an arithmetic number, because the mean of its divisors is an integer number (6500585).

Almost surely, 2^44442212 is an apocalyptic number.

It is an amenable number.

44442212 is a deficient number, since it is larger than the sum of its proper divisors (33564808).

44442212 is a wasteful number, since it uses less digits than its factorization.

44442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33310 (or 33308 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 44442212 is about 6666.4992312307. The cubic root of 44442212 is about 354.2135921460.

Adding to 44442212 its reverse (21224444), we get a palindrome (65666656).

The spelling of 44442212 in words is "forty-four million, four hundred forty-two thousand, two hundred twelve".