22254034220434 has 4 divisors (see below), whose sum is σ = 33381051330654. Its totient is φ = 11127017110216.

The previous prime is 22254034220401. The next prime is 22254034220447. The reversal of 22254034220434 is 43402243045222.

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., 17602614629209 + 4651419591225 = 4195547^2 + 2156715^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22254034220393 and 22254034220402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5563508555107 + ... + 5563508555110.

Almost surely, 2^{22254034220434} is an apocalyptic number.

22254034220434 is a deficient number, since it is larger than the sum of its proper divisors (11127017110220).

22254034220434 is a wasteful number, since it uses less digits than its factorization.

22254034220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127017110219.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 22254034220434 its reverse (43402243045222), we get a palindrome (65656277265656).

The spelling of 22254034220434 in words is "twenty-two trillion, two hundred fifty-four billion, thirty-four million, two hundred twenty thousand, four hundred thirty-four".