22552142020251 has 8 divisors (see below), whose sum is σ = 30097185552384. Its totient is φ = 15020929917480.

The previous prime is 22552142020241. The next prime is 22552142020297. The reversal of 22552142020251 is 15202024125522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22552142020251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22552142020231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3457853535 + ... + 3457860056.

It is an arithmetic number, because the mean of its divisors is an integer number (3762148194048).

Almost surely, 2^{22552142020251} is an apocalyptic number.

22552142020251 is a deficient number, since it is larger than the sum of its proper divisors (7545043532133).

22552142020251 is a wasteful number, since it uses less digits than its factorization.

22552142020251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915714681.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 22552142020251 its reverse (15202024125522), we get a palindrome (37754166145773).

The spelling of 22552142020251 in words is "twenty-two trillion, five hundred fifty-two billion, one hundred forty-two million, twenty thousand, two hundred fifty-one".