33221066350 has 12 divisors (see below), whose sum is σ = 61791183504. Its totient is φ = 13288426520.

The previous prime is 33221066327. The next prime is 33221066387. The reversal of 33221066350 is 5366012233.

It is a happy number.

It is a super-2 number, since 2×33221066350² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332210614 + ... + 332210713.

It is an arithmetic number, because the mean of its divisors is an integer number (5149265292).

Almost surely, 2^33221066350 is an apocalyptic number.

33221066350 is a deficient number, since it is larger than the sum of its proper divisors (28570117154).

33221066350 is a wasteful number, since it uses less digits than its factorization.

33221066350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664421339 (or 664421334 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 33221066350 its reverse (5366012233), we get a palindrome (38587078583).

The spelling of 33221066350 in words is "thirty-three billion, two hundred twenty-one million, sixty-six thousand, three hundred fifty".