2152220242 has 8 divisors (see below), whose sum is σ = 3236760576. Its totient is φ = 1073300052.

The previous prime is 2152220233. The next prime is 2152220243. The reversal of 2152220242 is 2420222512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2152220243) 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, 1404078 + ... + 1405609.

It is an arithmetic number, because the mean of its divisors is an integer number (404595072).

Almost surely, 2^2152220242 is an apocalyptic number.

2152220242 is a deficient number, since it is larger than the sum of its proper divisors (1084540334).

2152220242 is a wasteful number, since it uses less digits than its factorization.

2152220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810072.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2152220242 is about 46392.0277849546. The cubic root of 2152220242 is about 1291.1070044104.

Adding to 2152220242 its reverse (2420222512), we get a palindrome (4572442754).

The spelling of 2152220242 in words is "two billion, one hundred fifty-two million, two hundred twenty thousand, two hundred forty-two".