1051222785 has 16 divisors (see below), whose sum is σ = 1770480960. Its totient is φ = 531144000.

The previous prime is 1051222759. The next prime is 1051222789. The reversal of 1051222785 is 5872221501.

It is not a de Polignac number, because 1051222785 - 2¹⁶ = 1051157249 is a prime.

It is a super-2 number, since 2×1051222785² = 2210138687406312450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051222789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1843966 + ... + 1844535.

It is an arithmetic number, because the mean of its divisors is an integer number (110655060).

Almost surely, 2^1051222785 is an apocalyptic number.

1051222785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051222785 is a deficient number, since it is larger than the sum of its proper divisors (719258175).

1051222785 is a wasteful number, since it uses less digits than its factorization.

1051222785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688528.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1051222785 is about 32422.5659842030. The cubic root of 1051222785 is about 1016.7907543007.

The spelling of 1051222785 in words is "one billion, fifty-one million, two hundred twenty-two thousand, seven hundred eighty-five".