33221223230 has 64 divisors (see below), whose sum is σ = 67238978688. Its totient is φ = 11725824000.

The previous prime is 33221223197. The next prime is 33221223257. The reversal of 33221223230 is 3232212233.

It is a super-2 number, since 2×33221223230² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 33221223196 and 33221223205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8301230 + ... + 8305230.

It is an arithmetic number, because the mean of its divisors is an integer number (1050609042).

Almost surely, 2^33221223230 is an apocalyptic number.

33221223230 is an abundant number, since it is smaller than the sum of its proper divisors (34017755458).

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

33221223230 is a wasteful number, since it uses less digits than its factorization.

33221223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821.

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

Adding to 33221223230 its reverse (3232212233), we get a palindrome (36453435463).

The spelling of 33221223230 in words is "thirty-three billion, two hundred twenty-one million, two hundred twenty-three thousand, two hundred thirty".