33400221051224 has 16 divisors (see below), whose sum is σ = 62625519252000. Its totient is φ = 16700082584032.

The previous prime is 33400221051203. The next prime is 33400221051229. The reversal of 33400221051224 is 42215012200433.

It is a super-2 number, since 2×33400221051224² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400221051229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117702 + ... + 8443050.

It is an arithmetic number, because the mean of its divisors is an integer number (3914094953250).

Almost surely, 2^{33400221051224} is an apocalyptic number.

It is an amenable number.

33400221051224 is a deficient number, since it is larger than the sum of its proper divisors (29225298200776).

33400221051224 is a wasteful number, since it uses less digits than its factorization.

33400221051224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985402 (or 6985398 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 33400221051224 its reverse (42215012200433), we get a palindrome (75615233251657).

The spelling of 33400221051224 in words is "thirty-three trillion, four hundred billion, two hundred twenty-one million, fifty-one thousand, two hundred twenty-four".