501242222 has 16 divisors (see below), whose sum is σ = 810855360. Its totient is φ = 231012192.

The previous prime is 501242213. The next prime is 501242227. The reversal of 501242222 is 222242105.

It is a junction number, because it is equal to n+sod(n) for n = 501242194 and 501242203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501242227) 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, 5288 + ... + 32100.

It is an arithmetic number, because the mean of its divisors is an integer number (50678460).

Almost surely, 2^501242222 is an apocalyptic number.

501242222 is a deficient number, since it is larger than the sum of its proper divisors (309613138).

501242222 is a wasteful number, since it uses less digits than its factorization.

501242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27547.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 501242222 is about 22388.4394721919. The cubic root of 501242222 is about 794.3572838945.

Adding to 501242222 its reverse (222242105), we get a palindrome (723484327).

The spelling of 501242222 in words is "five hundred one million, two hundred forty-two thousand, two hundred twenty-two".