56222447 has 8 divisors (see below), whose sum is σ = 57622656. Its totient is φ = 54838872.

The previous prime is 56222431. The next prime is 56222531. The reversal of 56222447 is 74422265.

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

It is a cyclic number.

It is not a de Polignac number, because 56222447 - 2⁴ = 56222431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56222407) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2828 + ... + 10974.

It is an arithmetic number, because the mean of its divisors is an integer number (7202832).

Almost surely, 2^56222447 is an apocalyptic number.

56222447 is a deficient number, since it is larger than the sum of its proper divisors (1400209).

56222447 is a wasteful number, since it uses less digits than its factorization.

56222447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8317.

The product of its digits is 26880, while the sum is 32.

The square root of 56222447 is about 7498.1629083396. The cubic root of 56222447 is about 383.0921456125.

The spelling of 56222447 in words is "fifty-six million, two hundred twenty-two thousand, four hundred forty-seven".