1622011730623 has 8 divisors (see below), whose sum is σ = 1677958148880. Its totient is φ = 1566066311040.

The previous prime is 1622011730617. The next prime is 1622011730663. The reversal of 1622011730623 is 3260371102261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1622011730623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622011730663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4755936 + ... + 5085562.

It is an arithmetic number, because the mean of its divisors is an integer number (209744768610).

Almost surely, 2^{1622011730623} is an apocalyptic number.

1622011730623 is a deficient number, since it is larger than the sum of its proper divisors (55946418257).

1622011730623 is a wasteful number, since it uses less digits than its factorization.

1622011730623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499337.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 1622011730623 its reverse (3260371102261), we get a palindrome (4882382832884).

The spelling of 1622011730623 in words is "one trillion, six hundred twenty-two billion, eleven million, seven hundred thirty thousand, six hundred twenty-three".