56221702 has 8 divisors (see below), whose sum is σ = 84421296. Its totient is φ = 28081272.

The previous prime is 56221699. The next prime is 56221709. The reversal of 56221702 is 20712265.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56221709) 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 3 ways as a sum of consecutive naturals, for example, 12333 + ... + 16264.

It is an arithmetic number, because the mean of its divisors is an integer number (10552662).

Almost surely, 2^56221702 is an apocalyptic number.

56221702 is a deficient number, since it is larger than the sum of its proper divisors (28199594).

56221702 is a wasteful number, since it uses less digits than its factorization.

56221702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29582.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 56221702 is about 7498.1132293398. The cubic root of 56221702 is about 383.0904534953.

Adding to 56221702 its reverse (20712265), we get a palindrome (76933967).

The spelling of 56221702 in words is "fifty-six million, two hundred twenty-one thousand, seven hundred two".