22234220434 has 4 divisors (see below), whose sum is σ = 33351330654. Its totient is φ = 11117110216.

The previous prime is 22234220381. The next prime is 22234220461. The reversal of 22234220434 is 43402243222.

It is a happy number.

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., 21917914209 + 316306225 = 148047^2 + 17785^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558555107 + ... + 5558555110.

Almost surely, 2^22234220434 is an apocalyptic number.

22234220434 is a deficient number, since it is larger than the sum of its proper divisors (11117110220).

22234220434 is a wasteful number, since it uses less digits than its factorization.

22234220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11117110219.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22234220434 its reverse (43402243222), we get a palindrome (65636463656).

The spelling of 22234220434 in words is "twenty-two billion, two hundred thirty-four million, two hundred twenty thousand, four hundred thirty-four".