1225365562 has 4 divisors (see below), whose sum is σ = 1838048346. Its totient is φ = 612682780.

The previous prime is 1225365553. The next prime is 1225365571. The reversal of 1225365562 is 2655635221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1225365553) and next prime (1225365571).

It can be written as a sum of positive squares in only one way, i.e., 659924721 + 565440841 = 25689^2 + 23779^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306341389 + ... + 306341392.

Almost surely, 2^1225365562 is an apocalyptic number.

1225365562 is a deficient number, since it is larger than the sum of its proper divisors (612682784).

1225365562 is an equidigital number, since it uses as much as digits as its factorization.

1225365562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612682783.

The product of its digits is 108000, while the sum is 37.

The square root of 1225365562 is about 35005.2219247357. The cubic root of 1225365562 is about 1070.0939044729.

It can be divided in two parts, 12253 and 65562, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 1225365562 in words is "one billion, two hundred twenty-five million, three hundred sixty-five thousand, five hundred sixty-two".