22022236251145 has 16 divisors (see below), whose sum is σ = 28459660525632. Its totient is φ = 16262485767360.

The previous prime is 22022236251137. The next prime is 22022236251199. The reversal of 22022236251145 is 54115263222022.

It is not a de Polignac number, because 22022236251145 - 2³ = 22022236251137 is a prime.

It is a super-2 number, since 2×22022236251145² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12596014 + ... + 14237416.

It is an arithmetic number, because the mean of its divisors is an integer number (1778728782852).

Almost surely, 2^{22022236251145} is an apocalyptic number.

It is an amenable number.

22022236251145 is a deficient number, since it is larger than the sum of its proper divisors (6437424274487).

22022236251145 is a wasteful number, since it uses less digits than its factorization.

22022236251145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847832.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 22022236251145 its reverse (54115263222022), we get a palindrome (76137499473167).

The spelling of 22022236251145 in words is "twenty-two trillion, twenty-two billion, two hundred thirty-six million, two hundred fifty-one thousand, one hundred forty-five".