2222156616 has 32 divisors (see below), whose sum is σ = 5673594240. Its totient is φ = 724958528.

The previous prime is 2222156611. The next prime is 2222156621. The reversal of 2222156616 is 6166512222.

It is an interprime number because it is at equal distance from previous prime (2222156611) and next prime (2222156621).

It is not an unprimeable number, because it can be changed into a prime (2222156611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983871 + ... + 986126.

It is an arithmetic number, because the mean of its divisors is an integer number (177299820).

Almost surely, 2^2222156616 is an apocalyptic number.

It is an amenable number.

2222156616 is an abundant number, since it is smaller than the sum of its proper divisors (3451437624).

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

2222156616 is a wasteful number, since it uses less digits than its factorization.

2222156616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970053 (or 1970049 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 2222156616 is about 47139.7562148978. The cubic root of 2222156616 is about 1304.9430382794.

Adding to 2222156616 its reverse (6166512222), we get a palindrome (8388668838).

The spelling of 2222156616 in words is "two billion, two hundred twenty-two million, one hundred fifty-six thousand, six hundred sixteen".