33221421004 has 12 divisors (see below), whose sum is σ = 58701929104. Its totient is φ = 16449441264.

The previous prime is 33221420983. The next prime is 33221421067. The reversal of 33221421004 is 40012412233.

It is a super-2 number, since 2×33221421004² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40316847 + ... + 40317670.

Almost surely, 2^33221421004 is an apocalyptic number.

It is an amenable number.

33221421004 is a deficient number, since it is larger than the sum of its proper divisors (25480508100).

33221421004 is a wasteful number, since it uses less digits than its factorization.

33221421004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80634624 (or 80634622 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 33221421004 its reverse (40012412233), we get a palindrome (73233833237).

The spelling of 33221421004 in words is "thirty-three billion, two hundred twenty-one million, four hundred twenty-one thousand, four".