1055624225 has 12 divisors (see below), whose sum is σ = 1321937340. Its totient is φ = 836136000.

The previous prime is 1055624221. The next prime is 1055624279. The reversal of 1055624225 is 5224265501.

It can be written as a sum of positive squares in 6 ways, for example, as 145757329 + 909866896 = 12073^2 + 30164^2 .

It is not a de Polignac number, because 1055624225 - 2² = 1055624221 is a prime.

It is a super-2 number, since 2×1055624225² = 2228685008813701250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055624191 and 1055624200.

It is not an unprimeable number, because it can be changed into a prime (1055624221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206510 + ... + 211559.

It is an arithmetic number, because the mean of its divisors is an integer number (110161445).

Almost surely, 2^1055624225 is an apocalyptic number.

It is an amenable number.

1055624225 is a deficient number, since it is larger than the sum of its proper divisors (266313115).

1055624225 is a wasteful number, since it uses less digits than its factorization.

1055624225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418180 (or 418175 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1055624225 is about 32490.3712659612. The cubic root of 1055624225 is about 1018.2078696843.

Adding to 1055624225 its reverse (5224265501), we get a palindrome (6279889726).

The spelling of 1055624225 in words is "one billion, fifty-five million, six hundred twenty-four thousand, two hundred twenty-five".