72225004444 has 6 divisors (see below), whose sum is σ = 126393757784. Its totient is φ = 36112502220.

The previous prime is 72225004433. The next prime is 72225004457. The reversal of 72225004444 is 44440052227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9028125552 + ... + 9028125559.

Almost surely, 2^72225004444 is an apocalyptic number.

It is an amenable number.

72225004444 is a deficient number, since it is larger than the sum of its proper divisors (54168753340).

72225004444 is a wasteful number, since it uses less digits than its factorization.

72225004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18056251115 (or 18056251113 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 34.

The spelling of 72225004444 in words is "seventy-two billion, two hundred twenty-five million, four thousand, four hundred forty-four".