22501425202 has 8 divisors (see below), whose sum is σ = 33754830876. Its totient is φ = 11249814912.

The previous prime is 22501425187. The next prime is 22501425253. The reversal of 22501425202 is 20252410522.

It can be written as a sum of positive squares in 2 ways, for example, as 22457719881 + 43705321 = 149859^2 + 6611^2 .

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

It is a super-2 number, since 2×22501425202² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417063 + ... + 467914.

Almost surely, 2^22501425202 is an apocalyptic number.

22501425202 is a deficient number, since it is larger than the sum of its proper divisors (11253405674).

22501425202 is a wasteful number, since it uses less digits than its factorization.

22501425202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897692.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22501425202 its reverse (20252410522), we get a palindrome (42753835724).

The spelling of 22501425202 in words is "twenty-two billion, five hundred one million, four hundred twenty-five thousand, two hundred two".