622140432156611 has 8 divisors (see below), whose sum is σ = 653814457931184. Its totient is φ = 591248481092640.

The previous prime is 622140432156493. The next prime is 622140432156637. The reversal of 622140432156611 is 116651234041226.

It is a happy number.

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-622140432156611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622140432156911) 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, 195518676020 + ... + 195518679201.

It is an arithmetic number, because the mean of its divisors is an integer number (81726807241398).

Almost surely, 2^{622140432156611} is an apocalyptic number.

622140432156611 is a deficient number, since it is larger than the sum of its proper divisors (31674025774573).

622140432156611 is a wasteful number, since it uses less digits than its factorization.

622140432156611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391037355301.

The product of its (nonzero) digits is 414720, while the sum is 44.

Adding to 622140432156611 its reverse (116651234041226), we get a palindrome (738791666197837).

The spelling of 622140432156611 in words is "six hundred twenty-two trillion, one hundred forty billion, four hundred thirty-two million, one hundred fifty-six thousand, six hundred eleven".