22150494242 has 6 divisors (see below), whose sum is σ = 33226057083. Its totient is φ = 11075141882.

The previous prime is 22150494227. The next prime is 22150494269. The reversal of 22150494242 is 24249405122.

It can be written as a sum of positive squares in only one way, i.e., 11075247121 + 11075247121 = 105239^2 + 105239^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105239.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 157859 + ... + 263097.

Almost surely, 2^22150494242 is an apocalyptic number.

22150494242 is a deficient number, since it is larger than the sum of its proper divisors (11075562841).

22150494242 is an frugal number, since it uses more digits than its factorization.

22150494242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210480 (or 105241 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 22150494242 its reverse (24249405122), we get a palindrome (46399899364).

The spelling of 22150494242 in words is "twenty-two billion, one hundred fifty million, four hundred ninety-four thousand, two hundred forty-two".