2142223240 has 16 divisors (see below), whose sum is σ = 4820002380. Its totient is φ = 856889280.

The previous prime is 2142223207. The next prime is 2142223241. The reversal of 2142223240 is 423222412.

2142223240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2025540036 + 116683204 = 45006^2 + 10802^2 .

It is not an unprimeable number, because it can be changed into a prime (2142223241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26777751 + ... + 26777830.

Almost surely, 2^2142223240 is an apocalyptic number.

2142223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142223240 is an abundant number, since it is smaller than the sum of its proper divisors (2677779140).

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

2142223240 is a wasteful number, since it uses less digits than its factorization.

2142223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53555592 (or 53555588 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2142223240 is about 46284.1575487769. The cubic root of 2142223240 is about 1289.1048494095.

Adding to 2142223240 its reverse (423222412), we get a palindrome (2565445652).

The spelling of 2142223240 in words is "two billion, one hundred forty-two million, two hundred twenty-three thousand, two hundred forty".