462242144221 has 16 divisors (see below), whose sum is σ = 547329742848. Its totient is φ = 384841195200.

The previous prime is 462242144153. The next prime is 462242144251. The reversal of 462242144221 is 122441242264.

It is not a de Polignac number, because 462242144221 - 2¹⁹ = 462241619933 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 (462242144251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12708070 + ... + 12744391.

It is an arithmetic number, because the mean of its divisors is an integer number (34208108928).

Almost surely, 2^462242144221 is an apocalyptic number.

It is an amenable number.

462242144221 is a deficient number, since it is larger than the sum of its proper divisors (85087598627).

462242144221 is a wasteful number, since it uses less digits than its factorization.

462242144221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25452612.

The product of its digits is 49152, while the sum is 34.

Adding to 462242144221 its reverse (122441242264), we get a palindrome (584683386485).

The spelling of 462242144221 in words is "four hundred sixty-two billion, two hundred forty-two million, one hundred forty-four thousand, two hundred twenty-one".