221422441231404 has 72 divisors (see below), whose sum is σ = 639667366010400. Its totient is φ = 63263303845632.

The previous prime is 221422441231367. The next prime is 221422441231457. The reversal of 221422441231404 is 404132144224122.

221422441231404 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 2 + 244 + 1 + 2 + 3 + 1 + 404 = 666.

It is a super-2 number, since 2×221422441231404² (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 23 ways as a sum of consecutive naturals, for example, 67386072 + ... + 70595520.

Almost surely, 2^{221422441231404} is an apocalyptic number.

It is an amenable number.

221422441231404 is an abundant number, since it is smaller than the sum of its proper divisors (418244924778996).

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

221422441231404 is a wasteful number, since it uses less digits than its factorization.

221422441231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483239 (or 3483234 counting only the distinct ones).

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

Adding to 221422441231404 its reverse (404132144224122), we get a palindrome (625554585455526).

The spelling of 221422441231404 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, four hundred forty-one million, two hundred thirty-one thousand, four hundred four".