2213521142 has 32 divisors (see below), whose sum is σ = 4025728512. Its totient is φ = 891091584.

The previous prime is 2213521133. The next prime is 2213521187. The reversal of 2213521142 is 2411253122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115583 + ... + 133365.

It is an arithmetic number, because the mean of its divisors is an integer number (125804016).

Almost surely, 2^2213521142 is an apocalyptic number.

2213521142 is a deficient number, since it is larger than the sum of its proper divisors (1812207370).

2213521142 is a wasteful number, since it uses less digits than its factorization.

2213521142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332.

The product of its digits is 960, while the sum is 23.

The square root of 2213521142 is about 47048.0726704081. The cubic root of 2213521142 is about 1303.2504737468.

Adding to 2213521142 its reverse (2411253122), we get a palindrome (4624774264).

The spelling of 2213521142 in words is "two billion, two hundred thirteen million, five hundred twenty-one thousand, one hundred forty-two".