605621224261 has 8 divisors (see below), whose sum is σ = 618523470720. Its totient is φ = 592719673248.

The previous prime is 605621224223. The next prime is 605621224319. The reversal of 605621224261 is 162422126506.

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 not a de Polignac number, because 605621224261 - 2¹³ = 605621216069 is a prime.

It is a super-2 number, since 2×605621224261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 605621224261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605621234261) 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, 1829665 + ... + 2135161.

It is an arithmetic number, because the mean of its divisors is an integer number (77315433840).

Almost surely, 2^605621224261 is an apocalyptic number.

It is an amenable number.

605621224261 is a deficient number, since it is larger than the sum of its proper divisors (12902246459).

605621224261 is a wasteful number, since it uses less digits than its factorization.

605621224261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347723.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 605621224261 in words is "six hundred five billion, six hundred twenty-one million, two hundred twenty-four thousand, two hundred sixty-one".