1224525315 has 16 divisors (see below), whose sum is σ = 2109951648. Its totient is φ = 602843136.

The previous prime is 1224525301. The next prime is 1224525331. The reversal of 1224525315 is 5135254221.

It is not a de Polignac number, because 1224525315 - 2¹⁵ = 1224492547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139614 + ... + 3140003.

It is an arithmetic number, because the mean of its divisors is an integer number (131871978).

Almost surely, 2^1224525315 is an apocalyptic number.

1224525315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1224525315 is a deficient number, since it is larger than the sum of its proper divisors (885426333).

1224525315 is a wasteful number, since it uses less digits than its factorization.

1224525315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279638.

The product of its digits is 12000, while the sum is 30.

The square root of 1224525315 is about 34993.2181286603. The cubic root of 1224525315 is about 1069.8492567214.

Adding to 1224525315 its reverse (5135254221), we get a palindrome (6359779536).

The spelling of 1224525315 in words is "one billion, two hundred twenty-four million, five hundred twenty-five thousand, three hundred fifteen".