22142142402 has 8 divisors (see below), whose sum is σ = 44284284816. Its totient is φ = 7380714132.

The previous prime is 22142142359. The next prime is 22142142403. The reversal of 22142142402 is 20424124122.

It is a happy number.

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

22142142402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22142142403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845178528 + ... + 1845178539.

It is an arithmetic number, because the mean of its divisors is an integer number (5535535602).

Almost surely, 2^22142142402 is an apocalyptic number.

22142142402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22142142402 is a wasteful number, since it uses less digits than its factorization.

22142142402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690357072.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22142142402 its reverse (20424124122), we get a palindrome (42566266524).

The spelling of 22142142402 in words is "twenty-two billion, one hundred forty-two million, one hundred forty-two thousand, four hundred two".