1222213464546 has 16 divisors (see below), whose sum is σ = 2444557156704. Its totient is φ = 407382783584.

The previous prime is 1222213464517. The next prime is 1222213464559. The reversal of 1222213464546 is 6454643122221.

It is a super-2 number, since 2×1222213464546² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222213464498 and 1222213464507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5303931 + ... + 5529566.

It is an arithmetic number, because the mean of its divisors is an integer number (152784822294).

Almost surely, 2^{1222213464546} is an apocalyptic number.

1222213464546 is an abundant number, since it is smaller than the sum of its proper divisors (1222343692158).

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

1222213464546 is a wasteful number, since it uses less digits than its factorization.

1222213464546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10852305.

The product of its digits is 552960, while the sum is 42.

Adding to 1222213464546 its reverse (6454643122221), we get a palindrome (7676856586767).

The spelling of 1222213464546 in words is "one trillion, two hundred twenty-two billion, two hundred thirteen million, four hundred sixty-four thousand, five hundred forty-six".