22522012515151 has 4 divisors (see below), whose sum is σ = 22646443523704. Its totient is φ = 22397581506600.

The previous prime is 22522012515091. The next prime is 22522012515227. The reversal of 22522012515151 is 15151521022522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22522012515151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522012515851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62215504005 + ... + 62215504366.

It is an arithmetic number, because the mean of its divisors is an integer number (5661610880926).

Almost surely, 2^{22522012515151} is an apocalyptic number.

22522012515151 is a deficient number, since it is larger than the sum of its proper divisors (124431008553).

22522012515151 is a wasteful number, since it uses less digits than its factorization.

22522012515151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124431008552.

The product of its (nonzero) digits is 20000, while the sum is 34.

Adding to 22522012515151 its reverse (15151521022522), we get a palindrome (37673533537673).

The spelling of 22522012515151 in words is "twenty-two trillion, five hundred twenty-two billion, twelve million, five hundred fifteen thousand, one hundred fifty-one".