156622226 has 16 divisors (see below), whose sum is σ = 249307200. Its totient is φ = 73635408.

The previous prime is 156622223. The next prime is 156622231. The reversal of 156622226 is 622226651.

It is a junction number, because it is equal to n+sod(n) for n = 156622192 and 156622201.

It is not an unprimeable number, because it can be changed into a prime (156622223) 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, 26141 + ... + 31568.

It is an arithmetic number, because the mean of its divisors is an integer number (15581700).

Almost surely, 2^156622226 is an apocalyptic number.

156622226 is a deficient number, since it is larger than the sum of its proper divisors (92684974).

156622226 is a wasteful number, since it uses less digits than its factorization.

156622226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57793.

The product of its digits is 17280, while the sum is 32.

The square root of 156622226 is about 12514.8801832059. The cubic root of 156622226 is about 539.0360328519.

Adding to 156622226 its reverse (622226651), we get a palindrome (778848877).

The spelling of 156622226 in words is "one hundred fifty-six million, six hundred twenty-two thousand, two hundred twenty-six".