22424140146 has 32 divisors (see below), whose sum is σ = 45523369728. Its totient is φ = 7362472320.

The previous prime is 22424140103. The next prime is 22424140147. The reversal of 22424140146 is 64104142422.

It is a super-2 number, since 2×22424140146² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22424140147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297751 + ... + 365381.

It is an arithmetic number, because the mean of its divisors is an integer number (1422605304).

Almost surely, 2^22424140146 is an apocalyptic number.

22424140146 is an abundant number, since it is smaller than the sum of its proper divisors (23099229582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22424140146 is a wasteful number, since it uses less digits than its factorization.

22424140146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68466.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 22424140146 its reverse (64104142422), we get a palindrome (86528282568).

The spelling of 22424140146 in words is "twenty-two billion, four hundred twenty-four million, one hundred forty thousand, one hundred forty-six".