156622216 has 16 divisors (see below), whose sum is σ = 293818140. Its totient is φ = 78270720.

The previous prime is 156622201. The next prime is 156622223. The reversal of 156622216 is 612226651.

156622216 is digitally balanced in base 2 and base 3, because in such bases 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 117809316 + 38812900 = 10854^2 + 6230^2 .

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, 17196 + ... + 24676.

Almost surely, 2^156622216 is an apocalyptic number.

It is an amenable number.

156622216 is a deficient number, since it is larger than the sum of its proper divisors (137195924).

156622216 is a wasteful number, since it uses less digits than its factorization.

156622216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104 (or 10100 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 156622216 is about 12514.8797836815. The cubic root of 156622216 is about 539.0360213798.

Adding to 156622216 its reverse (612226651), we get a palindrome (768848867).

The spelling of 156622216 in words is "one hundred fifty-six million, six hundred twenty-two thousand, two hundred sixteen".