2221124142 has 16 divisors (see below), whose sum is σ = 4448685312. Its totient is φ = 739301880.

The previous prime is 2221124117. The next prime is 2221124189. The reversal of 2221124142 is 2414211222.

It is a super-4 number, since 4×2221124142⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263718 + ... + 272009.

It is an arithmetic number, because the mean of its divisors is an integer number (278042832).

Almost surely, 2^2221124142 is an apocalyptic number.

2221124142 is an abundant number, since it is smaller than the sum of its proper divisors (2227561170).

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

2221124142 is a wasteful number, since it uses less digits than its factorization.

2221124142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536423.

The product of its digits is 512, while the sum is 21.

The square root of 2221124142 is about 47128.8037403879. The cubic root of 2221124142 is about 1304.7409030399.

Adding to 2221124142 its reverse (2414211222), we get a palindrome (4635335364).

The spelling of 2221124142 in words is "two billion, two hundred twenty-one million, one hundred twenty-four thousand, one hundred forty-two".