22228345146 has 32 divisors (see below), whose sum is σ = 50816521728. Its totient is φ = 6349846320.

The previous prime is 22228345063. The next prime is 22228345163. The reversal of 22228345146 is 64154382222.

It is a super-2 number, since 2×22228345146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 214341 + ... + 300663.

It is an arithmetic number, because the mean of its divisors is an integer number (1588016304).

Almost surely, 2^22228345146 is an apocalyptic number.

22228345146 is an abundant number, since it is smaller than the sum of its proper divisors (28588176582).

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

22228345146 is a wasteful number, since it uses less digits than its factorization.

22228345146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92466.

The product of its digits is 184320, while the sum is 39.

The spelling of 22228345146 in words is "twenty-two billion, two hundred twenty-eight million, three hundred forty-five thousand, one hundred forty-six".