22244001142 has 8 divisors (see below), whose sum is σ = 36399274632. Its totient is φ = 10110909600.

The previous prime is 22244001089. The next prime is 22244001151. The reversal of 22244001142 is 24110044222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1011090961 = 22244001142 / (2 + 2 + 2 + 4 + 4 + 0 + 0 + 1 + 1 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505545459 + ... + 505545502.

It is an arithmetic number, because the mean of its divisors is an integer number (4549909329).

Almost surely, 2^22244001142 is an apocalyptic number.

22244001142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22244001142 is a deficient number, since it is larger than the sum of its proper divisors (14155273490).

22244001142 is a wasteful number, since it uses less digits than its factorization.

22244001142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011090974.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22244001142 its reverse (24110044222), we get a palindrome (46354045364).

The spelling of 22244001142 in words is "twenty-two billion, two hundred forty-four million, one thousand, one hundred forty-two".