221323413043004 has 12 divisors (see below), whose sum is σ = 387316358775528. Its totient is φ = 110661596250000.

The previous prime is 221323413042989. The next prime is 221323413043009. The reversal of 221323413043004 is 400340314323122.

It is a super-2 number, since 2×221323413043004² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221323413043009) 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, 22966622 + ... + 31146629.

It is an arithmetic number, because the mean of its divisors is an integer number (32276363231294).

Almost surely, 2^{221323413043004} is an apocalyptic number.

It is an amenable number.

221323413043004 is a deficient number, since it is larger than the sum of its proper divisors (165992945732524).

221323413043004 is a wasteful number, since it uses less digits than its factorization.

221323413043004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55135756 (or 55135754 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 221323413043004 its reverse (400340314323122), we get a palindrome (621663727366126).

The spelling of 221323413043004 in words is "two hundred twenty-one trillion, three hundred twenty-three billion, four hundred thirteen million, forty-three thousand, four".