221032234223310 has 16 divisors (see below), whose sum is σ = 530477362136016. Its totient is φ = 58941929126208.

The previous prime is 221032234223309. The next prime is 221032234223323. The reversal of 221032234223310 is 13322432230122.

It is a super-2 number, since 2×221032234223310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7367741140777 = 221032234223310 / (2 + 2 + 1 + 0 + 3 + 2 + 2 + 3 + 4 + 2 + 2 + 3 + 3 + 1 + 0).

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, 3683870570359 + ... + 3683870570418.

It is an arithmetic number, because the mean of its divisors is an integer number (33154835133501).

Almost surely, 2^{221032234223310} is an apocalyptic number.

221032234223310 is an abundant number, since it is smaller than the sum of its proper divisors (309445127912706).

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

221032234223310 is a wasteful number, since it uses less digits than its factorization.

221032234223310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367741140787.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 221032234223310 its reverse (13322432230122), we get a palindrome (234354666453432).

The spelling of 221032234223310 in words is "two hundred twenty-one trillion, thirty-two billion, two hundred thirty-four million, two hundred twenty-three thousand, three hundred ten".