44424222442 has 4 divisors (see below), whose sum is σ = 66636333666. Its totient is φ = 22212111220.

The previous prime is 44424222439. The next prime is 44424222517. The reversal of 44424222442 is 24422242444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37217740561 + 7206481881 = 192919^2 + 84891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44424222398 and 44424222407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106055609 + ... + 11106055612.

Almost surely, 2^44424222442 is an apocalyptic number.

44424222442 is a deficient number, since it is larger than the sum of its proper divisors (22212111224).

44424222442 is a wasteful number, since it uses less digits than its factorization.

44424222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212111223.

The product of its digits is 131072, while the sum is 34.

Adding to 44424222442 its reverse (24422242444), we get a palindrome (68846464886).

The spelling of 44424222442 in words is "forty-four billion, four hundred twenty-four million, two hundred twenty-two thousand, four hundred forty-two".