2221323142 has 16 divisors (see below), whose sum is σ = 3348195264. Its totient is φ = 1105272000.

The previous prime is 2221323119. The next prime is 2221323149. The reversal of 2221323142 is 2413231222.

It is a super-3 number, since 3×2221323142³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221323149) 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, 359842 + ... + 365962.

It is an arithmetic number, because the mean of its divisors is an integer number (209262204).

Almost surely, 2^2221323142 is an apocalyptic number.

2221323142 is a deficient number, since it is larger than the sum of its proper divisors (1126872122).

2221323142 is a wasteful number, since it uses less digits than its factorization.

2221323142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975.

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

The square root of 2221323142 is about 47130.9149285265. The cubic root of 2221323142 is about 1304.7798676466.

Adding to 2221323142 its reverse (2413231222), we get a palindrome (4634554364).

The spelling of 2221323142 in words is "two billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred forty-two".