22422001142 has 4 divisors (see below), whose sum is σ = 33633001716. Its totient is φ = 11211000570.

The previous prime is 22422001117. The next prime is 22422001153. The reversal of 22422001142 is 24110022422.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22422001142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605500284 + ... + 5605500287.

It is an arithmetic number, because the mean of its divisors is an integer number (8408250429).

Almost surely, 2^22422001142 is an apocalyptic number.

22422001142 is a deficient number, since it is larger than the sum of its proper divisors (11211000574).

22422001142 is a wasteful number, since it uses less digits than its factorization.

22422001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11211000573.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22422001142 its reverse (24110022422), we get a palindrome (46532023564).

The spelling of 22422001142 in words is "twenty-two billion, four hundred twenty-two million, one thousand, one hundred forty-two".