22500435450422 has 4 divisors (see below), whose sum is σ = 33750653175636. Its totient is φ = 11250217725210.

The previous prime is 22500435450391. The next prime is 22500435450469. The reversal of 22500435450422 is 22405453400522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625108862604 + ... + 5625108862607.

It is an arithmetic number, because the mean of its divisors is an integer number (8437663293909).

Almost surely, 2^{22500435450422} is an apocalyptic number.

22500435450422 is a deficient number, since it is larger than the sum of its proper divisors (11250217725214).

22500435450422 is a wasteful number, since it uses less digits than its factorization.

22500435450422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11250217725213.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 22500435450422 its reverse (22405453400522), we get a palindrome (44905888850944).

The spelling of 22500435450422 in words is "twenty-two trillion, five hundred billion, four hundred thirty-five million, four hundred fifty thousand, four hundred twenty-two".