22022251653451 has 8 divisors (see below), whose sum is σ = 25176356974080. Its totient is φ = 18870163675368.

The previous prime is 22022251653379. The next prime is 22022251653503. The reversal of 22022251653451 is 15435615222022.

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

It is a cyclic number.

It is not a de Polignac number, because 22022251653451 - 2¹⁹ = 22022251129163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022251653851) 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, 504312241 + ... + 504355906.

It is an arithmetic number, because the mean of its divisors is an integer number (3147044621760).

Almost surely, 2^{22022251653451} is an apocalyptic number.

22022251653451 is a deficient number, since it is larger than the sum of its proper divisors (3154105320629).

22022251653451 is a wasteful number, since it uses less digits than its factorization.

22022251653451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008671273.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 22022251653451 its reverse (15435615222022), we get a palindrome (37457866875473).

The spelling of 22022251653451 in words is "twenty-two trillion, twenty-two billion, two hundred fifty-one million, six hundred fifty-three thousand, four hundred fifty-one".