1052224457 has 2 divisors, whose sum is σ = 1052224458. Its totient is φ = 1052224456.

The previous prime is 1052224343. The next prime is 1052224489. The reversal of 1052224457 is 7544222501.

It is an a-pointer prime, because the next prime (1052224489) can be obtained adding 1052224457 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738969856 + 313254601 = 27184^2 + 17699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052224457 is a prime.

It is a super-2 number, since 2×1052224457² = 2214352615817889698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1052224057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526112228 + 526112229.

It is an arithmetic number, because the mean of its divisors is an integer number (526112229).

Almost surely, 2^1052224457 is an apocalyptic number.

It is an amenable number.

1052224457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052224457 is an equidigital number, since it uses as much as digits as its factorization.

1052224457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 1052224457 is about 32438.0094487932. The cubic root of 1052224457 is about 1017.1136061008.

Adding to 1052224457 its reverse (7544222501), we get a palindrome (8596446958).

The spelling of 1052224457 in words is "one billion, fifty-two million, two hundred twenty-four thousand, four hundred fifty-seven".