221401424143404 has 96 divisors (see below), whose sum is σ = 582585057868800. Its totient is φ = 72697209773760.

The previous prime is 221401424143357. The next prime is 221401424143463. The reversal of 221401424143404 is 404341424104122.

221401424143404 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 0 + 1 + 4 + 241 + 4 + 3 + 404 = 666.

It is a super-2 number, since 2×221401424143404² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316290514 + ... + 316989734.

It is an arithmetic number, because the mean of its divisors is an integer number (6068594352800).

Almost surely, 2^{221401424143404} is an apocalyptic number.

It is an amenable number.

221401424143404 is an abundant number, since it is smaller than the sum of its proper divisors (361183633725396).

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

221401424143404 is a wasteful number, since it uses less digits than its factorization.

221401424143404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743060 (or 743052 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 221401424143404 its reverse (404341424104122), we get a palindrome (625742848247526).

The spelling of 221401424143404 in words is "two hundred twenty-one trillion, four hundred one billion, four hundred twenty-four million, one hundred forty-three thousand, four hundred four".