1142312022 has 24 divisors (see below), whose sum is σ = 2480742264. Its totient is φ = 379888704.

The previous prime is 1142311993. The next prime is 1142312033. The reversal of 1142312022 is 2202132411.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1142311986 and 1142312004.

It is a congruent number.

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, 65488 + ... + 81075.

It is an arithmetic number, because the mean of its divisors is an integer number (103364261).

Almost surely, 2^1142312022 is an apocalyptic number.

1142312022 is an abundant number, since it is smaller than the sum of its proper divisors (1338430242).

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

1142312022 is a wasteful number, since it uses less digits than its factorization.

1142312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147004 (or 147001 counting only the distinct ones).

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

The square root of 1142312022 is about 33798.1067812977. The cubic root of 1142312022 is about 1045.3496603908.

Adding to 1142312022 its reverse (2202132411), we get a palindrome (3344444433).

The spelling of 1142312022 in words is "one billion, one hundred forty-two million, three hundred twelve thousand, twenty-two".