1225350562 has 4 divisors (see below), whose sum is σ = 1838025846. Its totient is φ = 612675280.

The previous prime is 1225350541. The next prime is 1225350569. The reversal of 1225350562 is 2650535221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2650535221 = 181 ⋅14643841.

It can be written as a sum of positive squares in only one way, i.e., 1124327961 + 101022601 = 33531^2 + 10051^2 .

It is not an unprimeable number, because it can be changed into a prime (1225350569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306337639 + ... + 306337642.

Almost surely, 2^1225350562 is an apocalyptic number.

1225350562 is a deficient number, since it is larger than the sum of its proper divisors (612675284).

1225350562 is an equidigital number, since it uses as much as digits as its factorization.

1225350562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612675283.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1225350562 is about 35005.0076703320. The cubic root of 1225350562 is about 1070.0895380279.

Adding to 1225350562 its reverse (2650535221), we get a palindrome (3875885783).

The spelling of 1225350562 in words is "one billion, two hundred twenty-five million, three hundred fifty thousand, five hundred sixty-two".