22451213151044 has 24 divisors (see below), whose sum is σ = 39315419549280. Its totient is φ = 11218237136064.

The previous prime is 22451213151001. The next prime is 22451213151047. The reversal of 22451213151044 is 44015131215422.

It is a super-2 number, since 2×22451213151044² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22451213150995 and 22451213151013.

It is not an unprimeable number, because it can be changed into a prime (22451213151047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95771327 + ... + 96005465.

It is an arithmetic number, because the mean of its divisors is an integer number (1638142481220).

Almost surely, 2^{22451213151044} is an apocalyptic number.

It is an amenable number.

22451213151044 is a deficient number, since it is larger than the sum of its proper divisors (16864206398236).

22451213151044 is a wasteful number, since it uses less digits than its factorization.

22451213151044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249779 (or 249777 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 22451213151044 its reverse (44015131215422), we get a palindrome (66466344366466).

The spelling of 22451213151044 in words is "twenty-two trillion, four hundred fifty-one billion, two hundred thirteen million, one hundred fifty-one thousand, forty-four".