611223356 has 6 divisors (see below), whose sum is σ = 1069640880. Its totient is φ = 305611676.

The previous prime is 611223341. The next prime is 611223397. The reversal of 611223356 is 653322116.

611223356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76402916 + ... + 76402923.

It is an arithmetic number, because the mean of its divisors is an integer number (178273480).

Almost surely, 2^611223356 is an apocalyptic number.

It is an amenable number.

611223356 is a deficient number, since it is larger than the sum of its proper divisors (458417524).

611223356 is a wasteful number, since it uses less digits than its factorization.

611223356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152805843 (or 152805841 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 611223356 is about 24722.9317840745. The cubic root of 611223356 is about 848.6591806363.

The spelling of 611223356 in words is "six hundred eleven million, two hundred twenty-three thousand, three hundred fifty-six".