22404242042 has 16 divisors (see below), whose sum is σ = 41361677952. Its totient is φ = 8863216560.

The previous prime is 22404241987. The next prime is 22404242071. The reversal of 22404242042 is 24024240422.

It is a super-2 number, since 2×22404242042² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 61549934 + ... + 61550297.

It is an arithmetic number, because the mean of its divisors is an integer number (2585104872).

Almost surely, 2^22404242042 is an apocalyptic number.

22404242042 is a deficient number, since it is larger than the sum of its proper divisors (18957435910).

22404242042 is a wasteful number, since it uses less digits than its factorization.

22404242042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123100253.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22404242042 its reverse (24024240422), we get a palindrome (46428482464).

The spelling of 22404242042 in words is "twenty-two billion, four hundred four million, two hundred forty-two thousand, forty-two".