22212002001 has 64 divisors (see below), whose sum is σ = 36187693056. Its totient is φ = 11829888000.

The previous prime is 22212001993. The next prime is 22212002039. The reversal of 22212002001 is 10020021222.

It is not a de Polignac number, because 22212002001 - 2³ = 22212001993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212002081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34014991 + ... + 34015643.

It is an arithmetic number, because the mean of its divisors is an integer number (565432704).

Almost surely, 2^22212002001 is an apocalyptic number.

22212002001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22212002001 is a deficient number, since it is larger than the sum of its proper divisors (13975691055).

22212002001 is a wasteful number, since it uses less digits than its factorization.

22212002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22212002001 its reverse (10020021222), we get a palindrome (32232023223).

The spelling of 22212002001 in words is "twenty-two billion, two hundred twelve million, two thousand, one".