22054054321252 has 72 divisors (see below), whose sum is σ = 39844140846048. Its totient is φ = 10680828480000.

The previous prime is 22054054321249. The next prime is 22054054321291. The reversal of 22054054321252 is 25212345045022.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4578377148 + ... + 4578381964.

It is an arithmetic number, because the mean of its divisors is an integer number (553390845084).

Almost surely, 2^{22054054321252} is an apocalyptic number.

It is an amenable number.

22054054321252 is a deficient number, since it is larger than the sum of its proper divisors (17790086524796).

22054054321252 is a wasteful number, since it uses less digits than its factorization.

22054054321252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8477 (or 8438 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 22054054321252 its reverse (25212345045022), we get a palindrome (47266399366274).

The spelling of 22054054321252 in words is "twenty-two trillion, fifty-four billion, fifty-four million, three hundred twenty-one thousand, two hundred fifty-two".