223221516337272 has 128 divisors (see below), whose sum is σ = 563667933945600. Its totient is φ = 73659850564608.

The previous prime is 223221516337271. The next prime is 223221516337277. The reversal of 223221516337272 is 272733615122322.

It is a super-3 number, since 3×223221516337272³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223221516337271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16266226203 + ... + 16266239925.

It is an arithmetic number, because the mean of its divisors is an integer number (4403655733950).

Almost surely, 2^{223221516337272} is an apocalyptic number.

It is an amenable number.

223221516337272 is an abundant number, since it is smaller than the sum of its proper divisors (340446417608328).

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

223221516337272 is a wasteful number, since it uses less digits than its factorization.

223221516337272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18845 (or 18841 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 48.

The spelling of 223221516337272 in words is "two hundred twenty-three trillion, two hundred twenty-one billion, five hundred sixteen million, three hundred thirty-seven thousand, two hundred seventy-two".