56400382222 has 4 divisors (see below), whose sum is σ = 84600573336. Its totient is φ = 28200191110.

The previous prime is 56400382189. The next prime is 56400382229. The reversal of 56400382222 is 22228300465.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×56400382222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56400382229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14100095554 + ... + 14100095557.

It is an arithmetic number, because the mean of its divisors is an integer number (21150143334).

Almost surely, 2^56400382222 is an apocalyptic number.

56400382222 is a deficient number, since it is larger than the sum of its proper divisors (28200191114).

56400382222 is a wasteful number, since it uses less digits than its factorization.

56400382222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28200191113.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 56400382222 its reverse (22228300465), we get a palindrome (78628682687).

The spelling of 56400382222 in words is "fifty-six billion, four hundred million, three hundred eighty-two thousand, two hundred twenty-two".