22143563142 has 16 divisors (see below), whose sum is σ = 44329276992. Its totient is φ = 7374162600.

The previous prime is 22143563119. The next prime is 22143563149. The reversal of 22143563142 is 24136534122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143563149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749448 + ... + 1762059.

It is an arithmetic number, because the mean of its divisors is an integer number (2770579812).

Almost surely, 2^22143563142 is an apocalyptic number.

22143563142 is an abundant number, since it is smaller than the sum of its proper divisors (22185713850).

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

22143563142 is a wasteful number, since it uses less digits than its factorization.

22143563142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512563.

The product of its digits is 34560, while the sum is 33.

The spelling of 22143563142 in words is "twenty-two billion, one hundred forty-three million, five hundred sixty-three thousand, one hundred forty-two".