44225551 has 16 divisors (see below), whose sum is σ = 48945600. Its totient is φ = 39771648.

The previous prime is 44225539. The next prime is 44225557. The reversal of 44225551 is 15552244.

It is a cyclic number.

It is not a de Polignac number, because 44225551 - 2⁹ = 44225039 is a prime.

It is a super-2 number, since 2×44225551² = 3911798722507202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44225557) 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, 53326 + ... + 54148.

It is an arithmetic number, because the mean of its divisors is an integer number (3059100).

Almost surely, 2^44225551 is an apocalyptic number.

44225551 is a deficient number, since it is larger than the sum of its proper divisors (4720049).

44225551 is a wasteful number, since it uses less digits than its factorization.

44225551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its digits is 8000, while the sum is 28.

The square root of 44225551 is about 6650.2293945397. The cubic root of 44225551 is about 353.6370432679.

Adding to 44225551 its reverse (15552244), we get a palindrome (59777795).

The spelling of 44225551 in words is "forty-four million, two hundred twenty-five thousand, five hundred fifty-one".