156611226 has 16 divisors (see below), whose sum is σ = 320862528. Its totient is φ = 50930400.

The previous prime is 156611197. The next prime is 156611233. The reversal of 156611226 is 622116651.

156611226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156611226² = 49054152218446152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156611193 and 156611202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318070 + ... + 318561.

It is an arithmetic number, because the mean of its divisors is an integer number (20053908).

Almost surely, 2^156611226 is an apocalyptic number.

156611226 is an abundant number, since it is smaller than the sum of its proper divisors (164251302).

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

156611226 is a wasteful number, since it uses less digits than its factorization.

156611226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636677.

The product of its digits is 4320, while the sum is 30.

The square root of 156611226 is about 12514.4406986489. The cubic root of 156611226 is about 539.0234132399.

Adding to 156611226 its reverse (622116651), we get a palindrome (778727877).

The spelling of 156611226 in words is "one hundred fifty-six million, six hundred eleven thousand, two hundred twenty-six".