22025220002 has 8 divisors (see below), whose sum is σ = 33039968796. Its totient is φ = 11011897072.

The previous prime is 22025220001. The next prime is 22025220011. The reversal of 22025220002 is 20002252022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20987027161 + 1038192841 = 144869^2 + 32221^2 .

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

It is a super-2 number, since 2×22025220002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22025220001) 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, 316973 + ... + 380160.

Almost surely, 2^22025220002 is an apocalyptic number.

22025220002 is a deficient number, since it is larger than the sum of its proper divisors (11014748794).

22025220002 is a wasteful number, since it uses less digits than its factorization.

22025220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712932.

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 22025220002 its reverse (20002252022), we get a palindrome (42027472024).

The spelling of 22025220002 in words is "twenty-two billion, twenty-five million, two hundred twenty thousand, two".