44222661 has 48 divisors (see below), whose sum is σ = 78084864. Its totient is φ = 23542272.

The previous prime is 44222639. The next prime is 44222707. The reversal of 44222661 is 16622244.

It is not a de Polignac number, because 44222661 - 2¹⁰ = 44221637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44222611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168016 + ... + 168278.

It is an arithmetic number, because the mean of its divisors is an integer number (1626768).

Almost surely, 2^44222661 is an apocalyptic number.

It is an amenable number.

44222661 is a deficient number, since it is larger than the sum of its proper divisors (33862203).

44222661 is a wasteful number, since it uses less digits than its factorization.

44222661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 447 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 44222661 is about 6650.0121052521. The cubic root of 44222661 is about 353.6293400791.

The spelling of 44222661 in words is "forty-four million, two hundred twenty-two thousand, six hundred sixty-one".