22150494243 has 6 divisors (see below), whose sum is σ = 31995158364. Its totient is φ = 14766996156.

The previous prime is 22150494227. The next prime is 22150494269. The reversal of 22150494243 is 34249405122.

It is a happy number.

22150494243 is a `hidden beast` number, since 2 + 21 + 504 + 94 + 2 + 43 = 666.

It is not a de Polignac number, because 22150494243 - 2⁴ = 22150494227 is a prime.

It is a super-2 number, since 2×22150494243² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22150494198 and 22150494207.

It is not an unprimeable number, because it can be changed into a prime (22150494203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1230583005 + ... + 1230583022.

It is an arithmetic number, because the mean of its divisors is an integer number (5332526394).

Almost surely, 2^22150494243 is an apocalyptic number.

22150494243 is a deficient number, since it is larger than the sum of its proper divisors (9844664121).

22150494243 is a wasteful number, since it uses less digits than its factorization.

22150494243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461166033 (or 2461166030 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 22150494243 its reverse (34249405122), we get a palindrome (56399899365).

The spelling of 22150494243 in words is "twenty-two billion, one hundred fifty million, four hundred ninety-four thousand, two hundred forty-three".