22143431002 has 24 divisors (see below), whose sum is σ = 41724815328. Its totient is φ = 8627310120.

The previous prime is 22143430949. The next prime is 22143431017. The reversal of 22143431002 is 20013434122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6534148 + ... + 6537535.

It is an arithmetic number, because the mean of its divisors is an integer number (1738533972).

Almost surely, 2^22143431002 is an apocalyptic number.

22143431002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22143431002 is a deficient number, since it is larger than the sum of its proper divisors (19581384326).

22143431002 is a wasteful number, since it uses less digits than its factorization.

22143431002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071714 (or 13071703 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22143431002 its reverse (20013434122), we get a palindrome (42156865124).

The spelling of 22143431002 in words is "twenty-two billion, one hundred forty-three million, four hundred thirty-one thousand, two".