2122531333425 has 18 divisors (see below), whose sum is σ = 3801689455382. Its totient is φ = 1132016711040.

The previous prime is 2122531333393. The next prime is 2122531333463. The reversal of 2122531333425 is 5243331352212.

2122531333425 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 5 + 313 + 334 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 346580641521 + 1775950691904 = 588711^2 + 1332648^2 .

It is not a de Polignac number, because 2122531333425 - 2⁵ = 2122531333393 is a prime.

It is a super-2 number, since 2×2122531333425² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122531333425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4716736072 + ... + 4716736521.

Almost surely, 2^{2122531333425} is an apocalyptic number.

2122531333425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2122531333425 is a deficient number, since it is larger than the sum of its proper divisors (1679158121957).

2122531333425 is a wasteful number, since it uses less digits than its factorization.

2122531333425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9433472609 (or 9433472601 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 2122531333425 its reverse (5243331352212), we get a palindrome (7365862685637).

The spelling of 2122531333425 in words is "two trillion, one hundred twenty-two billion, five hundred thirty-one million, three hundred thirty-three thousand, four hundred twenty-five".