22221341442 has 32 divisors (see below), whose sum is σ = 49405483200. Its totient is φ = 7403405184.

The previous prime is 22221341431. The next prime is 22221341447. The reversal of 22221341442 is 24414312222.

It is a happy number.

22221341442 is a `hidden beast` number, since 2 + 2 + 2 + 213 + 4 + 1 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22221341447) 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, 6909 + ... + 210927.

It is an arithmetic number, because the mean of its divisors is an integer number (1543921350).

Almost surely, 2^22221341442 is an apocalyptic number.

22221341442 is an abundant number, since it is smaller than the sum of its proper divisors (27184141758).

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

22221341442 is a wasteful number, since it uses less digits than its factorization.

22221341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206047 (or 206041 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 22221341442 its reverse (24414312222), we get a palindrome (46635653664).

The spelling of 22221341442 in words is "twenty-two billion, two hundred twenty-one million, three hundred forty-one thousand, four hundred forty-two".