1056221194 has 8 divisors (see below), whose sum is σ = 1810664928. Its totient is φ = 452666220.

The previous prime is 1056221149. The next prime is 1056221207. The reversal of 1056221194 is 4911226501.

1056221194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1056221194² = 2231206421309571272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37722172 + ... + 37722199.

It is an arithmetic number, because the mean of its divisors is an integer number (226333116).

Almost surely, 2^1056221194 is an apocalyptic number.

1056221194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1056221194 is a deficient number, since it is larger than the sum of its proper divisors (754443734).

1056221194 is an equidigital number, since it uses as much as digits as its factorization.

1056221194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75444380.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1056221194 is about 32499.5568277477. The cubic root of 1056221194 is about 1018.3997700390.

Adding to 1056221194 its reverse (4911226501), we get a palindrome (5967447695).

The spelling of 1056221194 in words is "one billion, fifty-six million, two hundred twenty-one thousand, one hundred ninety-four".