505226221061 has 8 divisors (see below), whose sum is σ = 506699452800. Its totient is φ = 503753356240.

The previous prime is 505226221039. The next prime is 505226221111. The reversal of 505226221061 is 160122622505.

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-505226221061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505226221961) 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, 2798471 + ... + 2973531.

It is an arithmetic number, because the mean of its divisors is an integer number (63337431600).

Almost surely, 2^505226221061 is an apocalyptic number.

It is an amenable number.

505226221061 is a deficient number, since it is larger than the sum of its proper divisors (1473231739).

505226221061 is a wasteful number, since it uses less digits than its factorization.

505226221061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183459.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 505226221061 its reverse (160122622505), we get a palindrome (665348843566).

The spelling of 505226221061 in words is "five hundred five billion, two hundred twenty-six million, two hundred twenty-one thousand, sixty-one".