2212523401466 has 32 divisors (see below), whose sum is σ = 3799625915520. Its totient is φ = 946542643200.

The previous prime is 2212523401423. The next prime is 2212523401481. The reversal of 2212523401466 is 6641043252122.

It is a super-2 number, since 2×2212523401466² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 67933826 + ... + 67966386.

It is an arithmetic number, because the mean of its divisors is an integer number (118738309860).

Almost surely, 2^{2212523401466} is an apocalyptic number.

2212523401466 is a deficient number, since it is larger than the sum of its proper divisors (1587102514054).

2212523401466 is a wasteful number, since it uses less digits than its factorization.

2212523401466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41030.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 2212523401466 its reverse (6641043252122), we get a palindrome (8853566653588).

The spelling of 2212523401466 in words is "two trillion, two hundred twelve billion, five hundred twenty-three million, four hundred one thousand, four hundred sixty-six".