22400003212 has 6 divisors (see below), whose sum is σ = 39200005628. Its totient is φ = 11200001604.

The previous prime is 22400003191. The next prime is 22400003237. The reversal of 22400003212 is 21230000422.

It is a super-2 number, since 2×22400003212² (a number of 22 digits) contains 22 as substring.

22400003212 is a modest number, since divided by 3212 gives 224 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800000398 + ... + 2800000405.

Almost surely, 2^22400003212 is an apocalyptic number.

It is an amenable number.

22400003212 is a deficient number, since it is larger than the sum of its proper divisors (16800002416).

22400003212 is a wasteful number, since it uses less digits than its factorization.

22400003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600000807 (or 5600000805 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22400003212 its reverse (21230000422), we get a palindrome (43630003634).

The spelling of 22400003212 in words is "twenty-two billion, four hundred million, three thousand, two hundred twelve".