501231022 has 8 divisors (see below), whose sum is σ = 764172072. Its totient is φ = 246507000.

The previous prime is 501231013. The next prime is 501231023. The reversal of 501231022 is 220132105.

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

It is a junction number, because it is equal to n+sod(n) for n = 501230987 and 501231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501231023) 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, 2054104 + ... + 2054347.

It is an arithmetic number, because the mean of its divisors is an integer number (95521509).

Almost surely, 2^501231022 is an apocalyptic number.

501231022 is a deficient number, since it is larger than the sum of its proper divisors (262941050).

501231022 is a wasteful number, since it uses less digits than its factorization.

501231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108514.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 501231022 is about 22388.1893417043. The cubic root of 501231022 is about 794.3513673485.

Adding to 501231022 its reverse (220132105), we get a palindrome (721363127).

The spelling of 501231022 in words is "five hundred one million, two hundred thirty-one thousand, twenty-two".