622340557321 has 4 divisors (see below), whose sum is σ = 711246351232. Its totient is φ = 533434763412.

The previous prime is 622340557297. The next prime is 622340557361. The reversal of 622340557321 is 123755043226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 622340557321 - 2¹⁹ = 622340033033 is a prime.

It is a super-2 number, since 2×622340557321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622340557361) 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, 44452896945 + ... + 44452896958.

It is an arithmetic number, because the mean of its divisors is an integer number (177811587808).

Almost surely, 2^622340557321 is an apocalyptic number.

It is an amenable number.

622340557321 is a deficient number, since it is larger than the sum of its proper divisors (88905793911).

622340557321 is an equidigital number, since it uses as much as digits as its factorization.

622340557321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88905793910.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 622340557321 in words is "six hundred twenty-two billion, three hundred forty million, five hundred fifty-seven thousand, three hundred twenty-one".