56221226630 has 32 divisors (see below), whose sum is σ = 104617608480. Its totient is φ = 21738689280.

The previous prime is 56221226591. The next prime is 56221226647. The reversal of 56221226630 is 3662212265.

56221226630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584324 + ... + 673703.

It is an arithmetic number, because the mean of its divisors is an integer number (3269300265).

Almost surely, 2^56221226630 is an apocalyptic number.

56221226630 is a deficient number, since it is larger than the sum of its proper divisors (48396381850).

56221226630 is a wasteful number, since it uses less digits than its factorization.

56221226630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258184.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 56221226630 its reverse (3662212265), we get a palindrome (59883438895).

The spelling of 56221226630 in words is "fifty-six billion, two hundred twenty-one million, two hundred twenty-six thousand, six hundred thirty".