22202001221202 has 64 divisors (see below), whose sum is σ = 53868609083520. Its totient is φ = 6722182180800.

The previous prime is 22202001221201. The next prime is 22202001221209. The reversal of 22202001221202 is 20212210020222.

22202001221202 is a `hidden beast` number, since 2 + 220 + 20 + 0 + 1 + 221 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22202001221201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15122833 + ... + 16525860.

It is an arithmetic number, because the mean of its divisors is an integer number (841697016930).

Almost surely, 2^{22202001221202} is an apocalyptic number.

22202001221202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22202001221202 is an abundant number, since it is smaller than the sum of its proper divisors (31666607862318).

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

22202001221202 is a wasteful number, since it uses less digits than its factorization.

22202001221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31649896 (or 31649890 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22202001221202 its reverse (20212210020222), we get a palindrome (42414211241424).

The spelling of 22202001221202 in words is "twenty-two trillion, two hundred two billion, one million, two hundred twenty-one thousand, two hundred two".