223101221004 has 18 divisors (see below), whose sum is σ = 563950308740. Its totient is φ = 74367073656.

The previous prime is 223101221003. The next prime is 223101221017. The reversal of 223101221004 is 400122101322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×223101221004³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (223101221003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3098628034 + ... + 3098628105.

Almost surely, 2^223101221004 is an apocalyptic number.

It is an amenable number.

223101221004 is an abundant number, since it is smaller than the sum of its proper divisors (340849087736).

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

223101221004 is a wasteful number, since it uses less digits than its factorization.

223101221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197256149 (or 6197256144 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 223101221004 its reverse (400122101322), we get a palindrome (623223322326).

The spelling of 223101221004 in words is "two hundred twenty-three billion, one hundred one million, two hundred twenty-one thousand, four".