211222477482 has 16 divisors (see below), whose sum is σ = 422663748192. Its totient is φ = 70371026960.

The previous prime is 211222477447. The next prime is 211222477511. The reversal of 211222477482 is 284774222112.

It is a super-2 number, since 2×211222477482² (a number of 23 digits) contains 22 as substring.

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, 9103833 + ... + 9127004.

It is an arithmetic number, because the mean of its divisors is an integer number (26416484262).

Almost surely, 2^211222477482 is an apocalyptic number.

211222477482 is an abundant number, since it is smaller than the sum of its proper divisors (211441270710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211222477482 is a wasteful number, since it uses less digits than its factorization.

211222477482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18232773.

The product of its digits is 200704, while the sum is 42.

Adding to 211222477482 its reverse (284774222112), we get a palindrome (495996699594).

The spelling of 211222477482 in words is "two hundred eleven billion, two hundred twenty-two million, four hundred seventy-seven thousand, four hundred eighty-two".