44442242 has 8 divisors (see below), whose sum is σ = 71791356. Its totient is φ = 20511792.

The previous prime is 44442227. The next prime is 44442257. The reversal of 44442242 is 24224444.

It is an interprime number because it is at equal distance from previous prime (44442227) and next prime (44442257).

It can be written as a sum of positive squares in 2 ways, for example, as 32615521 + 11826721 = 5711^2 + 3439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×44442242³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1709317 = 44442242 / (4 + 4 + 4 + 4 + 2 + 2 + 4 + 2).

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, 854633 + ... + 854684.

Almost surely, 2^44442242 is an apocalyptic number.

44442242 is a deficient number, since it is larger than the sum of its proper divisors (27349114).

44442242 is a wasteful number, since it uses less digits than its factorization.

44442242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709332.

The product of its digits is 8192, while the sum is 26.

The square root of 44442242 is about 6666.5014812869. The cubic root of 44442242 is about 354.2136718481.

Adding to 44442242 its reverse (24224444), we get a palindrome (68666686).

The spelling of 44442242 in words is "forty-four million, four hundred forty-two thousand, two hundred forty-two".