1205022245 has 16 divisors (see below), whose sum is σ = 1653477888. Its totient is φ = 825863040.

The previous prime is 1205022241. The next prime is 1205022251. The reversal of 1205022245 is 5422205021.

It is not a de Polignac number, because 1205022245 - 2² = 1205022241 is a prime.

It is a super-2 number, since 2×1205022245² = 2904157221889680050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1205022245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205022241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66740 + ... + 82850.

It is an arithmetic number, because the mean of its divisors is an integer number (103342368).

Almost surely, 2^1205022245 is an apocalyptic number.

It is an amenable number.

1205022245 is a deficient number, since it is larger than the sum of its proper divisors (448455643).

1205022245 is a wasteful number, since it uses less digits than its factorization.

1205022245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18260.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1205022245 is about 34713.4303260280. The cubic root of 1205022245 is about 1064.1389868399.

Adding to 1205022245 its reverse (5422205021), we get a palindrome (6627227266).

The spelling of 1205022245 in words is "one billion, two hundred five million, twenty-two thousand, two hundred forty-five".