2242220312 has 16 divisors (see below), whose sum is σ = 4208751600. Its totient is φ = 1119886560.

The previous prime is 2242220311. The next prime is 2242220317. The reversal of 2242220312 is 2130222422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242220311) 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, 145139 + ... + 159842.

It is an arithmetic number, because the mean of its divisors is an integer number (263046975).

Almost surely, 2^2242220312 is an apocalyptic number.

It is an amenable number.

2242220312 is a deficient number, since it is larger than the sum of its proper divisors (1966531288).

2242220312 is a wasteful number, since it uses less digits than its factorization.

2242220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305906 (or 305902 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2242220312 is about 47352.0887818056. The cubic root of 2242220312 is about 1308.8586901142.

Adding to 2242220312 its reverse (2130222422), we get a palindrome (4372442734).

The spelling of 2242220312 in words is "two billion, two hundred forty-two million, two hundred twenty thousand, three hundred twelve".