1052223778 has 4 divisors (see below), whose sum is σ = 1578335670. Its totient is φ = 526111888.

The previous prime is 1052223727. The next prime is 1052223817. The reversal of 1052223778 is 8773222501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8773222501 = 1693 ⋅5182057.

It can be written as a sum of positive squares in only one way, i.e., 1050861889 + 1361889 = 32417^2 + 1167^2 .

It is a super-2 number, since 2×1052223778² = 2214349757977186568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263055943 + ... + 263055946.

Almost surely, 2^1052223778 is an apocalyptic number.

1052223778 is a deficient number, since it is larger than the sum of its proper divisors (526111892).

1052223778 is an equidigital number, since it uses as much as digits as its factorization.

1052223778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526111891.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 1052223778 is about 32437.9989826746. The cubic root of 1052223778 is about 1017.1133873198.

The spelling of 1052223778 in words is "one billion, fifty-two million, two hundred twenty-three thousand, seven hundred seventy-eight".