1622120256466 has 8 divisors (see below), whose sum is σ = 2511670074624. Its totient is φ = 784896898260.

The previous prime is 1622120256461. The next prime is 1622120256521. The reversal of 1622120256466 is 6646520212261.

It is a happy number.

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

It is a super-2 number, since 2×1622120256466² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1622120256461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13081614910 + ... + 13081615033.

It is an arithmetic number, because the mean of its divisors is an integer number (313958759328).

Almost surely, 2^{1622120256466} is an apocalyptic number.

1622120256466 is a deficient number, since it is larger than the sum of its proper divisors (889549818158).

1622120256466 is a wasteful number, since it uses less digits than its factorization.

1622120256466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26163229976.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 1622120256466 in words is "one trillion, six hundred twenty-two billion, one hundred twenty million, two hundred fifty-six thousand, four hundred sixty-six".