1224887838 has 16 divisors (see below), whose sum is σ = 2454310416. Its totient is φ = 407540160.

The previous prime is 1224887837. The next prime is 1224887857. The reversal of 1224887838 is 8387884221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224887837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185431 + ... + 191922.

It is an arithmetic number, because the mean of its divisors is an integer number (153394401).

Almost surely, 2^1224887838 is an apocalyptic number.

1224887838 is an abundant number, since it is smaller than the sum of its proper divisors (1229422578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224887838 is a wasteful number, since it uses less digits than its factorization.

1224887838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377899.

The product of its digits is 1376256, while the sum is 51.

The square root of 1224887838 is about 34998.3976490353. The cubic root of 1224887838 is about 1069.9548232593.

The spelling of 1224887838 in words is "one billion, two hundred twenty-four million, eight hundred eighty-seven thousand, eight hundred thirty-eight".