2222156522 has 8 divisors (see below), whose sum is σ = 3404154816. Its totient is φ = 1087438252.

The previous prime is 2222156501. The next prime is 2222156543. The reversal of 2222156522 is 2256512222.

2222156522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2222156501) and next prime (2222156543).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11819888 + ... + 11820075.

It is an arithmetic number, because the mean of its divisors is an integer number (425519352).

Almost surely, 2^2222156522 is an apocalyptic number.

2222156522 is a deficient number, since it is larger than the sum of its proper divisors (1181998294).

2222156522 is a wasteful number, since it uses less digits than its factorization.

2222156522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23640012.

The product of its digits is 9600, while the sum is 29.

The square root of 2222156522 is about 47139.7552178626. The cubic root of 2222156522 is about 1304.9430198792.

Adding to 2222156522 its reverse (2256512222), we get a palindrome (4478668744).

The spelling of 2222156522 in words is "two billion, two hundred twenty-two million, one hundred fifty-six thousand, five hundred twenty-two".