505746720022 has 8 divisors (see below), whose sum is σ = 759329737200. Its totient is φ = 252636807624.

The previous prime is 505746719983. The next prime is 505746720029. The reversal of 505746720022 is 220027647505.

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

It is a super-2 number, since 2×505746720022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505746720029) 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, 118273522 + ... + 118277797.

It is an arithmetic number, because the mean of its divisors is an integer number (94916217150).

Almost surely, 2^505746720022 is an apocalyptic number.

505746720022 is a deficient number, since it is larger than the sum of its proper divisors (253583017178).

505746720022 is a wasteful number, since it uses less digits than its factorization.

505746720022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236552390.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 505746720022 in words is "five hundred five billion, seven hundred forty-six million, seven hundred twenty thousand, twenty-two".