23222455642 has 8 divisors (see below), whose sum is σ = 34869340116. Its totient is φ = 11599342272.

The previous prime is 23222455591. The next prime is 23222455703. The reversal of 23222455642 is 24655422232.

It can be written as a sum of positive squares in 2 ways, for example, as 22948917121 + 273538521 = 151489^2 + 16539^2 .

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, 5940333 + ... + 5944240.

Almost surely, 2^23222455642 is an apocalyptic number.

23222455642 is a deficient number, since it is larger than the sum of its proper divisors (11646884474).

23222455642 is a wasteful number, since it uses less digits than its factorization.

23222455642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11885552.

The product of its digits is 230400, while the sum is 37.

Adding to 23222455642 its reverse (24655422232), we get a palindrome (47877877874).

It can be divided in two parts, 23222 and 455642, that added together give a square (478864 = 692²).

The spelling of 23222455642 in words is "twenty-three billion, two hundred twenty-two million, four hundred fifty-five thousand, six hundred forty-two".