57220226212 has 12 divisors (see below), whose sum is σ = 100254752640. Its totient is φ = 28576011176.

The previous prime is 57220226201. The next prime is 57220226233. The reversal of 57220226212 is 21262202275.

57220226212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8521708 + ... + 8528419.

It is an arithmetic number, because the mean of its divisors is an integer number (8354562720).

Almost surely, 2^57220226212 is an apocalyptic number.

It is an amenable number.

57220226212 is a deficient number, since it is larger than the sum of its proper divisors (43034526428).

57220226212 is a wasteful number, since it uses less digits than its factorization.

57220226212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17050970 (or 17050968 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 57220226212 its reverse (21262202275), we get a palindrome (78482428487).

The spelling of 57220226212 in words is "fifty-seven billion, two hundred twenty million, two hundred twenty-six thousand, two hundred twelve".