22222505154146 has 16 divisors (see below), whose sum is σ = 38503164011040. Its totient is φ = 9506954076480.

The previous prime is 22222505154137. The next prime is 22222505154149. The reversal of 22222505154146 is 64145150522222.

It is not an unprimeable number, because it can be changed into a prime (22222505154149) 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, 29709231116 + ... + 29709231863.

It is an arithmetic number, because the mean of its divisors is an integer number (2406447750690).

Almost surely, 2^{22222505154146} is an apocalyptic number.

22222505154146 is a deficient number, since it is larger than the sum of its proper divisors (16280658856894).

22222505154146 is a wasteful number, since it uses less digits than its factorization.

22222505154146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59418463009.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 22222505154146 its reverse (64145150522222), we get a palindrome (86367655676368).

The spelling of 22222505154146 in words is "twenty-two trillion, two hundred twenty-two billion, five hundred five million, one hundred fifty-four thousand, one hundred forty-six".