622413146561 has 8 divisors (see below), whose sum is σ = 659032765704. Its totient is φ = 585794314240.

The previous prime is 622413146543. The next prime is 622413146567. The reversal of 622413146561 is 165641314226.

622413146561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11466126400 + 610947020161 = 107080^2 + 781631^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 622413146561 - 2¹⁸ = 622412884417 is a prime.

It is a super-2 number, since 2×622413146561² (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 (622413146567) 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, 2447921 + ... + 2690193.

It is an arithmetic number, because the mean of its divisors is an integer number (82379095713).

Almost surely, 2^622413146561 is an apocalyptic number.

It is an amenable number.

622413146561 is a deficient number, since it is larger than the sum of its proper divisors (36619619143).

622413146561 is a wasteful number, since it uses less digits than its factorization.

622413146561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393411.

The product of its digits is 207360, while the sum is 41.

The spelling of 622413146561 in words is "six hundred twenty-two billion, four hundred thirteen million, one hundred forty-six thousand, five hundred sixty-one".