1225404014 has 4 divisors (see below), whose sum is σ = 1838106024. Its totient is φ = 612702006.

The previous prime is 1225404001. The next prime is 1225404017. The reversal of 1225404014 is 4104045221.

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

It is a super-2 number, since 2×1225404014² = 3003229995054624392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225404017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306351002 + ... + 306351005.

It is an arithmetic number, because the mean of its divisors is an integer number (459526506).

Almost surely, 2^1225404014 is an apocalyptic number.

1225404014 is a deficient number, since it is larger than the sum of its proper divisors (612702010).

1225404014 is an equidigital number, since it uses as much as digits as its factorization.

1225404014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612702009.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1225404014 is about 35005.7711527685. The cubic root of 1225404014 is about 1070.1050975465.

Adding to 1225404014 its reverse (4104045221), we get a palindrome (5329449235).

The spelling of 1225404014 in words is "one billion, two hundred twenty-five million, four hundred four thousand, fourteen".