22272072134 has 8 divisors (see below), whose sum is σ = 35977962720. Its totient is φ = 10279417896.

The previous prime is 22272072131. The next prime is 22272072139. The reversal of 22272072134 is 43127027222.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22272072134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22272072131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428309054 + ... + 428309105.

It is an arithmetic number, because the mean of its divisors is an integer number (4497245340).

Almost surely, 2^22272072134 is an apocalyptic number.

22272072134 is a deficient number, since it is larger than the sum of its proper divisors (13705890586).

22272072134 is a wasteful number, since it uses less digits than its factorization.

22272072134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856618174.

The product of its (nonzero) digits is 18816, while the sum is 32.

Adding to 22272072134 its reverse (43127027222), we get a palindrome (65399099356).

The spelling of 22272072134 in words is "twenty-two billion, two hundred seventy-two million, seventy-two thousand, one hundred thirty-four".