213420022444 has 24 divisors (see below), whose sum is σ = 379849150800. Its totient is φ = 104892016320.

The previous prime is 213420022399. The next prime is 213420022483. The reversal of 213420022444 is 444220024312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3145114 + ... + 3212254.

It is an arithmetic number, because the mean of its divisors is an integer number (15827047950).

Almost surely, 2^213420022444 is an apocalyptic number.

It is an amenable number.

213420022444 is a deficient number, since it is larger than the sum of its proper divisors (166429128356).

213420022444 is a wasteful number, since it uses less digits than its factorization.

213420022444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80673 (or 80671 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 213420022444 its reverse (444220024312), we get a palindrome (657640046756).

The spelling of 213420022444 in words is "two hundred thirteen billion, four hundred twenty million, twenty-two thousand, four hundred forty-four".