22122335450461 has 4 divisors (see below), whose sum is σ = 22123611192124. Its totient is φ = 22121059708800.

The previous prime is 22122335450443. The next prime is 22122335450491. The reversal of 22122335450461 is 16405453322122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21322866993561 + 799468456900 = 4617669^2 + 894130^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122335450461 - 2⁴³ = 13326242428253 is a prime.

It is a super-2 number, since 2×22122335450461² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122335450491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637844820 + ... + 637879501.

It is an arithmetic number, because the mean of its divisors is an integer number (5530902798031).

Almost surely, 2^{22122335450461} is an apocalyptic number.

It is an amenable number.

22122335450461 is a deficient number, since it is larger than the sum of its proper divisors (1275741663).

22122335450461 is a wasteful number, since it uses less digits than its factorization.

22122335450461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275741662.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 22122335450461 its reverse (16405453322122), we get a palindrome (38527788772583).

The spelling of 22122335450461 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred thirty-five million, four hundred fifty thousand, four hundred sixty-one".