223001549672 has 32 divisors (see below), whose sum is σ = 482971273920. Its totient is φ = 95401731840.

The previous prime is 223001549669. The next prime is 223001549773. The reversal of 223001549672 is 276945100322.

It is a super-2 number, since 2×223001549672² (a number of 23 digits) contains 22 as substring.

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, 74531108 + ... + 74534099.

It is an arithmetic number, because the mean of its divisors is an integer number (15092852310).

Almost surely, 2^223001549672 is an apocalyptic number.

223001549672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223001549672 is an abundant number, since it is smaller than the sum of its proper divisors (259969724248).

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

223001549672 is a wasteful number, since it uses less digits than its factorization.

223001549672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149065241 (or 149065237 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

Adding to 223001549672 its reverse (276945100322), we get a palindrome (499946649994).

The spelling of 223001549672 in words is "two hundred twenty-three billion, one million, five hundred forty-nine thousand, six hundred seventy-two".