1052220277 has 4 divisors (see below), whose sum is σ = 1076690560. Its totient is φ = 1027749996.

The previous prime is 1052220271. The next prime is 1052220317. The reversal of 1052220277 is 7720222501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1052220277 - 2¹⁹ = 1051695989 is a prime.

It is a super-2 number, since 2×1052220277² = 2214335022659913458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052220271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12235077 + ... + 12235162.

It is an arithmetic number, because the mean of its divisors is an integer number (269172640).

Almost surely, 2^1052220277 is an apocalyptic number.

It is an amenable number.

1052220277 is a deficient number, since it is larger than the sum of its proper divisors (24470283).

1052220277 is an equidigital number, since it uses as much as digits as its factorization.

1052220277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24470282.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 1052220277 is about 32437.9450181419. The cubic root of 1052220277 is about 1017.1122592588.

Adding to 1052220277 its reverse (7720222501), we get a palindrome (8772442778).

The spelling of 1052220277 in words is "one billion, fifty-two million, two hundred twenty thousand, two hundred seventy-seven".