221303223032 has 32 divisors (see below), whose sum is σ = 417185538480. Its totient is φ = 110054000640.

The previous prime is 221303223019. The next prime is 221303223107. The reversal of 221303223032 is 230322303122.

It is a super-2 number, since 2×221303223032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221303222989 and 221303223007.

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, 8452682 + ... + 8478822.

Almost surely, 2^221303223032 is an apocalyptic number.

It is an amenable number.

221303223032 is a deficient number, since it is larger than the sum of its proper divisors (195882315448).

221303223032 is a wasteful number, since it uses less digits than its factorization.

221303223032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31823 (or 31819 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 221303223032 its reverse (230322303122), we get a palindrome (451625526154).

The spelling of 221303223032 in words is "two hundred twenty-one billion, three hundred three million, two hundred twenty-three thousand, thirty-two".