22143551034 has 48 divisors (see below), whose sum is σ = 48719202336. Its totient is φ = 6704654880.

The previous prime is 22143551033. The next prime is 22143551057. The reversal of 22143551034 is 43015534122.

It is a junction number, because it is equal to n+sod(n) for n = 22143550992 and 22143551010.

It is not an unprimeable number, because it can be changed into a prime (22143551033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919572 + ... + 943344.

It is an arithmetic number, because the mean of its divisors is an integer number (1014983382).

Almost surely, 2^22143551034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22143551034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24359601168).

22143551034 is an abundant number, since it is smaller than the sum of its proper divisors (26575651302).

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

22143551034 is a wasteful number, since it uses less digits than its factorization.

22143551034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25083 (or 25072 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 22143551034 in words is "twenty-two billion, one hundred forty-three million, five hundred fifty-one thousand, thirty-four".