22125344321451 has 64 divisors (see below), whose sum is σ = 35311259400192. Its totient is φ = 12048506376192.

The previous prime is 22125344321411. The next prime is 22125344321459. The reversal of 22125344321451 is 15412344352122.

It is not a de Polignac number, because 22125344321451 - 2¹⁷ = 22125344190379 is a prime.

It is a super-2 number, since 2×22125344321451² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22125344321459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 301263031 + ... + 301336463.

It is an arithmetic number, because the mean of its divisors is an integer number (551738428128).

Almost surely, 2^{22125344321451} is an apocalyptic number.

22125344321451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22125344321451 is a deficient number, since it is larger than the sum of its proper divisors (13185915078741).

22125344321451 is a wasteful number, since it uses less digits than its factorization.

22125344321451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75772.

The product of its digits is 230400, while the sum is 39.

Adding to 22125344321451 its reverse (15412344352122), we get a palindrome (37537688673573).

The spelling of 22125344321451 in words is "twenty-two trillion, one hundred twenty-five billion, three hundred forty-four million, three hundred twenty-one thousand, four hundred fifty-one".