22125234515444 has 12 divisors (see below), whose sum is σ = 38720062343424. Its totient is φ = 11062359560184.

The previous prime is 22125234515387. The next prime is 22125234515491. The reversal of 22125234515444 is 44451543252122.

It is a super-4 number, since 4×22125234515444⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22125234515395 and 22125234515404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64231142 + ... + 64574685.

It is an arithmetic number, because the mean of its divisors is an integer number (3226671861952).

Almost surely, 2^{22125234515444} is an apocalyptic number.

It is an amenable number.

22125234515444 is a deficient number, since it is larger than the sum of its proper divisors (16594827827980).

22125234515444 is a wasteful number, since it uses less digits than its factorization.

22125234515444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128848774 (or 128848772 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 44.

Adding to 22125234515444 its reverse (44451543252122), we get a palindrome (66576777767566).

The spelling of 22125234515444 in words is "twenty-two trillion, one hundred twenty-five billion, two hundred thirty-four million, five hundred fifteen thousand, four hundred forty-four".