1224020374 has 4 divisors (see below), whose sum is σ = 1836030564. Its totient is φ = 612010186.

The previous prime is 1224020363. The next prime is 1224020393. The reversal of 1224020374 is 4730204221.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306005092 + ... + 306005095.

It is an arithmetic number, because the mean of its divisors is an integer number (459007641).

Almost surely, 2^1224020374 is an apocalyptic number.

1224020374 is a deficient number, since it is larger than the sum of its proper divisors (612010190).

1224020374 is an equidigital number, since it uses as much as digits as its factorization.

1224020374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612010189.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1224020374 is about 34986.0025438746. The cubic root of 1224020374 is about 1069.7021833978.

Adding to 1224020374 its reverse (4730204221), we get a palindrome (5954224595).

The spelling of 1224020374 in words is "one billion, two hundred twenty-four million, twenty thousand, three hundred seventy-four".