1171620226 has 32 divisors (see below), whose sum is σ = 2094035328. Its totient is φ = 481178880.

The previous prime is 1171620209. The next prime is 1171620259. The reversal of 1171620226 is 6220261711.

It is a junction number, because it is equal to n+sod(n) for n = 1171620194 and 1171620203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13546 + ... + 50266.

It is an arithmetic number, because the mean of its divisors is an integer number (65438604).

Almost surely, 2^1171620226 is an apocalyptic number.

1171620226 is a deficient number, since it is larger than the sum of its proper divisors (922415102).

1171620226 is a wasteful number, since it uses less digits than its factorization.

1171620226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36826.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1171620226 is about 34228.9384293466. The cubic root of 1171620226 is about 1054.2144226358.

Adding to 1171620226 its reverse (6220261711), we get a palindrome (7391881937).

The spelling of 1171620226 in words is "one billion, one hundred seventy-one million, six hundred twenty thousand, two hundred twenty-six".