1226176645 has 8 divisors (see below), whose sum is σ = 1496351520. Its totient is φ = 964314960.

The previous prime is 1226176639. The next prime is 1226176649. The reversal of 1226176645 is 5466716221.

It is a happy number.

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

It is not a de Polignac number, because 1226176645 - 2⁵ = 1226176613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226176598 and 1226176607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226176649) 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, 2077971 + ... + 2078560.

It is an arithmetic number, because the mean of its divisors is an integer number (187043940).

Almost surely, 2^1226176645 is an apocalyptic number.

It is an amenable number.

1226176645 is a deficient number, since it is larger than the sum of its proper divisors (270174875).

1226176645 is an equidigital number, since it uses as much as digits as its factorization.

1226176645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156595.

The product of its digits is 120960, while the sum is 40.

The square root of 1226176645 is about 35016.8051797990. The cubic root of 1226176645 is about 1070.3299547241.

The spelling of 1226176645 in words is "one billion, two hundred twenty-six million, one hundred seventy-six thousand, six hundred forty-five".