10022231142 has 128 divisors (see below), whose sum is σ = 28444953600. Its totient is φ = 2539641600.

The previous prime is 10022231123. The next prime is 10022231161. The reversal of 10022231142 is 24113222001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10022231123) and next prime (10022231161).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141084 + ... + 199872.

It is an arithmetic number, because the mean of its divisors is an integer number (222226200).

Almost surely, 2^10022231142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10022231142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14222476800).

10022231142 is an abundant number, since it is smaller than the sum of its proper divisors (18422722458).

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

10022231142 is a wasteful number, since it uses less digits than its factorization.

10022231142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58859 (or 58853 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10022231142 its reverse (24113222001), we get a palindrome (34135453143).

The spelling of 10022231142 in words is "ten billion, twenty-two million, two hundred thirty-one thousand, one hundred forty-two".