1224628862 has 4 divisors (see below), whose sum is σ = 1836943296. Its totient is φ = 612314430.

The previous prime is 1224628861. The next prime is 1224628879. The reversal of 1224628862 is 2688264221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224628861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306157214 + ... + 306157217.

It is an arithmetic number, because the mean of its divisors is an integer number (459235824).

Almost surely, 2^1224628862 is an apocalyptic number.

1224628862 is a deficient number, since it is larger than the sum of its proper divisors (612314434).

1224628862 is an equidigital number, since it uses as much as digits as its factorization.

1224628862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612314433.

The product of its digits is 147456, while the sum is 41.

The square root of 1224628862 is about 34994.6976269263. The cubic root of 1224628862 is about 1069.8794116876.

The spelling of 1224628862 in words is "one billion, two hundred twenty-four million, six hundred twenty-eight thousand, eight hundred sixty-two".