22145301451 has 8 divisors (see below), whose sum is σ = 27255755744. Its totient is φ = 17521557120.

The previous prime is 22145301403. The next prime is 22145301509. The reversal of 22145301451 is 15410354122.

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

It is a cyclic number.

It is not a de Polignac number, because 22145301451 - 2⁷ = 22145301323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22145301551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121677390 + ... + 121677571.

It is an arithmetic number, because the mean of its divisors is an integer number (3406969468).

Almost surely, 2^22145301451 is an apocalyptic number.

22145301451 is a deficient number, since it is larger than the sum of its proper divisors (5110454293).

22145301451 is a wasteful number, since it uses less digits than its factorization.

22145301451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243354981.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 22145301451 its reverse (15410354122), we get a palindrome (37555655573).

The spelling of 22145301451 in words is "twenty-two billion, one hundred forty-five million, three hundred one thousand, four hundred fifty-one".