22453030252 has 12 divisors (see below), whose sum is σ = 39293942800. Its totient is φ = 11226189456.

The previous prime is 22453030181. The next prime is 22453030253. The reversal of 22453030252 is 25203035422.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22453030252.

It is not an unprimeable number, because it can be changed into a prime (22453030253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141553 + ... + 254839.

Almost surely, 2^22453030252 is an apocalyptic number.

It is an amenable number.

22453030252 is a deficient number, since it is larger than the sum of its proper divisors (16840912548).

22453030252 is a wasteful number, since it uses less digits than its factorization.

22453030252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162840 (or 162838 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 22453030252 its reverse (25203035422), we get a palindrome (47656065674).

The spelling of 22453030252 in words is "twenty-two billion, four hundred fifty-three million, thirty thousand, two hundred fifty-two".