1451664232222 has 32 divisors (see below), whose sum is σ = 2343915792000. Its totient is φ = 672951272448.

The previous prime is 1451664232219. The next prime is 1451664232241. The reversal of 1451664232222 is 2222324661541.

It is a super-2 number, since 2×1451664232222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4879347 + ... + 5168302.

It is an arithmetic number, because the mean of its divisors is an integer number (73247368500).

Almost surely, 2^{1451664232222} is an apocalyptic number.

1451664232222 is a deficient number, since it is larger than the sum of its proper divisors (892251559778).

1451664232222 is a wasteful number, since it uses less digits than its factorization.

1451664232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047780.

The product of its digits is 276480, while the sum is 40.

Adding to 1451664232222 its reverse (2222324661541), we get a palindrome (3673988893763).

The spelling of 1451664232222 in words is "one trillion, four hundred fifty-one billion, six hundred sixty-four million, two hundred thirty-two thousand, two hundred twenty-two".