1055242225 has 6 divisors (see below), whose sum is σ = 1308500390. Its totient is φ = 844193760.

The previous prime is 1055242219. The next prime is 1055242249. The reversal of 1055242225 is 5222425501.

It can be written as a sum of positive squares in 3 ways, for example, as 746496 + 1054495729 = 864^2 + 32473^2 .

It is not a de Polignac number, because 1055242225 - 2¹¹ = 1055240177 is a prime.

It is a super-2 number, since 2×1055242225² = 2227072306845901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055242193 and 1055242202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21104820 + ... + 21104869.

Almost surely, 2^1055242225 is an apocalyptic number.

It is an amenable number.

1055242225 is a deficient number, since it is larger than the sum of its proper divisors (253258165).

1055242225 is an equidigital number, since it uses as much as digits as its factorization.

1055242225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42209699 (or 42209694 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1055242225 is about 32484.4920692936. The cubic root of 1055242225 is about 1018.0850348334.

Adding to 1055242225 its reverse (5222425501), we get a palindrome (6277667726).

The spelling of 1055242225 in words is "one billion, fifty-five million, two hundred forty-two thousand, two hundred twenty-five".