22142301252 has 12 divisors (see below), whose sum is σ = 51665369616. Its totient is φ = 7380767080.

The previous prime is 22142301229. The next prime is 22142301323. The reversal of 22142301252 is 25210324122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22142301252³ (a number of 32 digits) contains 333 as substring.

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, 922595874 + ... + 922595897.

It is an arithmetic number, because the mean of its divisors is an integer number (4305447468).

Almost surely, 2^22142301252 is an apocalyptic number.

It is an amenable number.

22142301252 is an abundant number, since it is smaller than the sum of its proper divisors (29523068364).

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

22142301252 is a wasteful number, since it uses less digits than its factorization.

22142301252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845191778 (or 1845191776 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22142301252 its reverse (25210324122), we get a palindrome (47352625374).

The spelling of 22142301252 in words is "twenty-two billion, one hundred forty-two million, three hundred one thousand, two hundred fifty-two".