22211201200 has 60 divisors (see below), whose sum is σ = 55682538768. Its totient is φ = 8498195200.

The previous prime is 22211201171. The next prime is 22211201213. The reversal of 22211201200 is 210211222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1197931 + ... + 1216330.

Almost surely, 2^22211201200 is an apocalyptic number.

22211201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211201200 is an abundant number, since it is smaller than the sum of its proper divisors (33471337568).

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

22211201200 is a wasteful number, since it uses less digits than its factorization.

22211201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414302 (or 2414291 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22211201200 its reverse (210211222), we get a palindrome (22421412422).

The spelling of 22211201200 in words is "twenty-two billion, two hundred eleven million, two hundred one thousand, two hundred".