22512225142001 has 16 divisors (see below), whose sum is σ = 25913774113920. Its totient is φ = 19157059889280.

The previous prime is 22512225141977. The next prime is 22512225142003. The reversal of 22512225142001 is 10024152221522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22512225142001 is a prime.

It is a super-2 number, since 2×22512225142001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22512225142003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75177311 + ... + 75476171.

It is an arithmetic number, because the mean of its divisors is an integer number (1619610882120).

Almost surely, 2^{22512225142001} is an apocalyptic number.

It is an amenable number.

22512225142001 is a deficient number, since it is larger than the sum of its proper divisors (3401548971919).

22512225142001 is a wasteful number, since it uses less digits than its factorization.

22512225142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376424.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 22512225142001 its reverse (10024152221522), we get a palindrome (32536377363523).

The spelling of 22512225142001 in words is "twenty-two trillion, five hundred twelve billion, two hundred twenty-five million, one hundred forty-two thousand, one".