1052217228 has 24 divisors (see below), whose sum is σ = 2484756288. Its totient is φ = 346512976.

The previous prime is 1052217217. The next prime is 1052217233. The reversal of 1052217228 is 8227122501.

It is a super-2 number, since 2×1052217228² = 2214322189800007968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052217195 and 1052217204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527226 + ... + 529217.

It is an arithmetic number, because the mean of its divisors is an integer number (103531512).

Almost surely, 2^1052217228 is an apocalyptic number.

It is an amenable number.

1052217228 is an abundant number, since it is smaller than the sum of its proper divisors (1432539060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052217228 is a wasteful number, since it uses less digits than its factorization.

1052217228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056533 (or 1056531 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1052217228 is about 32437.8980206795. The cubic root of 1052217228 is about 1017.1112768351. Note that the first 3 decimals are identical.

Adding to 1052217228 its reverse (8227122501), we get a palindrome (9279339729).

The spelling of 1052217228 in words is "one billion, fifty-two million, two hundred seventeen thousand, two hundred twenty-eight".