22012133442 has 32 divisors (see below), whose sum is σ = 47416440960. Its totient is φ = 6772151040.

The previous prime is 22012133383. The next prime is 22012133449. The reversal of 22012133442 is 24433121022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22012133449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141642 + ... + 1160762.

It is an arithmetic number, because the mean of its divisors is an integer number (1481763780).

Almost surely, 2^22012133442 is an apocalyptic number.

22012133442 is an abundant number, since it is smaller than the sum of its proper divisors (25404307518).

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

22012133442 is a wasteful number, since it uses less digits than its factorization.

22012133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33898.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22012133442 its reverse (24433121022), we get a palindrome (46445254464).

The spelling of 22012133442 in words is "twenty-two billion, twelve million, one hundred thirty-three thousand, four hundred forty-two".