1451321221622 has 8 divisors (see below), whose sum is σ = 2305039587336. Its totient is φ = 682974692512.

The previous prime is 1451321221549. The next prime is 1451321221697. The reversal of 1451321221622 is 2261221231541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21342959108 + ... + 21342959175.

It is an arithmetic number, because the mean of its divisors is an integer number (288129948417).

Almost surely, 2^{1451321221622} is an apocalyptic number.

1451321221622 is a deficient number, since it is larger than the sum of its proper divisors (853718365714).

1451321221622 is a wasteful number, since it uses less digits than its factorization.

1451321221622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42685918302.

The product of its digits is 11520, while the sum is 32.

The spelling of 1451321221622 in words is "one trillion, four hundred fifty-one billion, three hundred twenty-one million, two hundred twenty-one thousand, six hundred twenty-two".