22100400202 has 8 divisors (see below), whose sum is σ = 34895368800. Its totient is φ = 10468610604.

The previous prime is 22100400193. The next prime is 22100400209. The reversal of 22100400202 is 20200400122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×22100400202⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (22100400209) 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, 290794702 + ... + 290794777.

It is an arithmetic number, because the mean of its divisors is an integer number (4361921100).

Almost surely, 2^22100400202 is an apocalyptic number.

22100400202 is a deficient number, since it is larger than the sum of its proper divisors (12794968598).

22100400202 is a wasteful number, since it uses less digits than its factorization.

22100400202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581589500.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22100400202 its reverse (20200400122), we get a palindrome (42300800324).

The spelling of 22100400202 in words is "twenty-two billion, one hundred million, four hundred thousand, two hundred two".