221023341213304 has 32 divisors (see below), whose sum is σ = 474067837144800. Its totient is φ = 94635010753920.

The previous prime is 221023341213239. The next prime is 221023341213317. The reversal of 221023341213304 is 403312143320122.

It is a super-2 number, since 2×221023341213304² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859905419 + ... + 1860024250.

It is an arithmetic number, because the mean of its divisors is an integer number (14814619910775).

Almost surely, 2^{221023341213304} is an apocalyptic number.

It is an amenable number.

221023341213304 is an abundant number, since it is smaller than the sum of its proper divisors (253044495931496).

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

221023341213304 is a wasteful number, since it uses less digits than its factorization.

221023341213304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719930743 (or 3719930739 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 221023341213304 its reverse (403312143320122), we get a palindrome (624335484533426).

The spelling of 221023341213304 in words is "two hundred twenty-one trillion, twenty-three billion, three hundred forty-one million, two hundred thirteen thousand, three hundred four".