22200520102402 has 4 divisors (see below), whose sum is σ = 33300780153606. Its totient is φ = 11100260051200.

The previous prime is 22200520102391. The next prime is 22200520102403. The reversal of 22200520102402 is 20420102500222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22014216508761 + 186303593641 = 4691931^2 + 431629^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22200520102403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550130025599 + ... + 5550130025602.

Almost surely, 2^{22200520102402} is an apocalyptic number.

22200520102402 is a deficient number, since it is larger than the sum of its proper divisors (11100260051204).

22200520102402 is a wasteful number, since it uses less digits than its factorization.

22200520102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100260051203.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 22200520102402 its reverse (20420102500222), we get a palindrome (42620622602624).

The spelling of 22200520102402 in words is "twenty-two trillion, two hundred billion, five hundred twenty million, one hundred two thousand, four hundred two".