1225300552 has 16 divisors (see below), whose sum is σ = 2625644160. Its totient is φ = 525128784.

The previous prime is 1225300541. The next prime is 1225300577. The reversal of 1225300552 is 2550035221.

It is a happy number.

It is a super-2 number, since 2×1225300552² = 3002722885463009408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10940128 + ... + 10940239.

It is an arithmetic number, because the mean of its divisors is an integer number (164102760).

Almost surely, 2^1225300552 is an apocalyptic number.

It is an amenable number.

1225300552 is an abundant number, since it is smaller than the sum of its proper divisors (1400343608).

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

1225300552 is a wasteful number, since it uses less digits than its factorization.

1225300552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21880380 (or 21880376 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1225300552 is about 35004.2933366751. The cubic root of 1225300552 is about 1070.0749800428.

Adding to 1225300552 its reverse (2550035221), we get a palindrome (3775335773).

The spelling of 1225300552 in words is "one billion, two hundred twenty-five million, three hundred thousand, five hundred fifty-two".