22154035020405 has 16 divisors (see below), whose sum is σ = 35446583764224. Its totient is φ = 11815442767040.

The previous prime is 22154035020347. The next prime is 22154035020409. The reversal of 22154035020405 is 50402053045122.

It is a happy number.

It is not a de Polignac number, because 22154035020405 - 2¹⁴ = 22154035004021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22154035020409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891540 + ... + 6919970.

It is an arithmetic number, because the mean of its divisors is an integer number (2215411485264).

Almost surely, 2^{22154035020405} is an apocalyptic number.

It is an amenable number.

22154035020405 is a deficient number, since it is larger than the sum of its proper divisors (13292548743819).

22154035020405 is a wasteful number, since it uses less digits than its factorization.

22154035020405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322156.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 22154035020405 its reverse (50402053045122), we get a palindrome (72556088065527).

The spelling of 22154035020405 in words is "twenty-two trillion, one hundred fifty-four billion, thirty-five million, twenty thousand, four hundred five".