501222215106 has 48 divisors (see below), whose sum is σ = 1134774800640. Its totient is φ = 159587619840.

The previous prime is 501222215101. The next prime is 501222215113. The reversal of 501222215106 is 601512222105.

501222215106 is a `hidden beast` number, since 5 + 0 + 122 + 2 + 21 + 510 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 501222215106.

It is not an unprimeable number, because it can be changed into a prime (501222215101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544255 + ... + 1139586.

It is an arithmetic number, because the mean of its divisors is an integer number (23641141680).

Almost surely, 2^501222215106 is an apocalyptic number.

501222215106 is an abundant number, since it is smaller than the sum of its proper divisors (633552585534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501222215106 is a wasteful number, since it uses less digits than its factorization.

501222215106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684591 (or 1684588 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 501222215106 in words is "five hundred one billion, two hundred twenty-two million, two hundred fifteen thousand, one hundred six".