22201142234 has 8 divisors (see below), whose sum is σ = 34113950388. Its totient is φ = 10829825440.

The previous prime is 22201142213. The next prime is 22201142251. The reversal of 22201142234 is 43224110222.

It can be written as a sum of positive squares in 2 ways, for example, as 18604141609 + 3597000625 = 136397^2 + 59975^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135372737 + ... + 135372900.

Almost surely, 2^22201142234 is an apocalyptic number.

22201142234 is a deficient number, since it is larger than the sum of its proper divisors (11912808154).

22201142234 is a wasteful number, since it uses less digits than its factorization.

22201142234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270745680.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22201142234 its reverse (43224110222), we get a palindrome (65425252456).

The spelling of 22201142234 in words is "twenty-two billion, two hundred one million, one hundred forty-two thousand, two hundred thirty-four".