22201404042 has 16 divisors (see below), whose sum is σ = 44901717120. Its totient is φ = 7317316512.

The previous prime is 22201404041. The next prime is 22201404047. The reversal of 22201404042 is 24040410222.

It is a super-2 number, since 2×22201404042² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22201404041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20787298 + ... + 20788365.

It is an arithmetic number, because the mean of its divisors is an integer number (2806357320).

Almost surely, 2^22201404042 is an apocalyptic number.

22201404042 is an abundant number, since it is smaller than the sum of its proper divisors (22700313078).

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

22201404042 is a wasteful number, since it uses less digits than its factorization.

22201404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41575757.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22201404042 its reverse (24040410222), we get a palindrome (46241814264).

The spelling of 22201404042 in words is "twenty-two billion, two hundred one million, four hundred four thousand, forty-two".