22424240442 has 16 divisors (see below), whose sum is σ = 45149479200. Its totient is φ = 7424580432.

The previous prime is 22424240429. The next prime is 22424240467. The reversal of 22424240442 is 24404242422.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12540628 + ... + 12542415.

It is an arithmetic number, because the mean of its divisors is an integer number (2821842450).

Almost surely, 2^22424240442 is an apocalyptic number.

22424240442 is an abundant number, since it is smaller than the sum of its proper divisors (22725238758).

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

22424240442 is a wasteful number, since it uses less digits than its factorization.

22424240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25083197.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22424240442 its reverse (24404242422), we get a palindrome (46828482864).

The spelling of 22424240442 in words is "twenty-two billion, four hundred twenty-four million, two hundred forty thousand, four hundred forty-two".