1224490165 has 16 divisors (see below), whose sum is σ = 1488812400. Its totient is φ = 966707200.

The previous prime is 1224490153. The next prime is 1224490177. The reversal of 1224490165 is 5610944221.

It is an interprime number because it is at equal distance from previous prime (1224490153) and next prime (1224490177).

It can be written as a sum of positive squares in 8 ways, for example, as 135094129 + 1089396036 = 11623^2 + 33006^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1224490165 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224490165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156261 + ... + 163909.

It is an arithmetic number, because the mean of its divisors is an integer number (93050775).

Almost surely, 2^1224490165 is an apocalyptic number.

It is an amenable number.

1224490165 is a deficient number, since it is larger than the sum of its proper divisors (264322235).

1224490165 is a wasteful number, since it uses less digits than its factorization.

1224490165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1224490165 is about 34992.7158848810. The cubic root of 1224490165 is about 1069.8390199489.

The spelling of 1224490165 in words is "one billion, two hundred twenty-four million, four hundred ninety thousand, one hundred sixty-five".