22751121217425 has 24 divisors (see below), whose sum is σ = 37628216598336. Its totient is φ = 12129728245440.

The previous prime is 22751121217423. The next prime is 22751121217471. The reversal of 22751121217425 is 52471212115722.

It is a happy number.

It is not a de Polignac number, because 22751121217425 - 2¹ = 22751121217423 is a prime.

It is a super-2 number, since 2×22751121217425² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22751121217421) 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 23 ways as a sum of consecutive naturals, for example, 52320414 + ... + 52753463.

It is an arithmetic number, because the mean of its divisors is an integer number (1567842358264).

Almost surely, 2^{22751121217425} is an apocalyptic number.

22751121217425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22751121217425 is a deficient number, since it is larger than the sum of its proper divisors (14877095380911).

22751121217425 is a wasteful number, since it uses less digits than its factorization.

22751121217425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105076777 (or 105076772 counting only the distinct ones).

The product of its digits is 156800, while the sum is 42.

The spelling of 22751121217425 in words is "twenty-two trillion, seven hundred fifty-one billion, one hundred twenty-one million, two hundred seventeen thousand, four hundred twenty-five".