424271221522 has 8 divisors (see below), whose sum is σ = 636525869616. Its totient is φ = 212095931652.

The previous prime is 424271221501. The next prime is 424271221589. The reversal of 424271221522 is 225122172424.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19826188 + ... + 19847575.

It is an arithmetic number, because the mean of its divisors is an integer number (79565733702).

Almost surely, 2^424271221522 is an apocalyptic number.

424271221522 is a deficient number, since it is larger than the sum of its proper divisors (212254648094).

424271221522 is a wasteful number, since it uses less digits than its factorization.

424271221522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39679112.

The product of its digits is 35840, while the sum is 34.

Adding to 424271221522 its reverse (225122172424), we get a palindrome (649393393946).

The spelling of 424271221522 in words is "four hundred twenty-four billion, two hundred seventy-one million, two hundred twenty-one thousand, five hundred twenty-two".