1224215002 has 4 divisors (see below), whose sum is σ = 1836322506. Its totient is φ = 612107500.

The previous prime is 1224214949. The next prime is 1224215021. The reversal of 1224215002 is 2005124221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2005124221 = 317 ⋅6325313.

It can be written as a sum of positive squares in only one way, i.e., 1109489481 + 114725521 = 33309^2 + 10711^2 .

It is a super-2 number, since 2×1224215002² = 2997404742243720008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306053749 + ... + 306053752.

Almost surely, 2^1224215002 is an apocalyptic number.

1224215002 is a deficient number, since it is larger than the sum of its proper divisors (612107504).

1224215002 is an equidigital number, since it uses as much as digits as its factorization.

1224215002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612107503.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1224215002 is about 34988.7839457161. The cubic root of 1224215002 is about 1069.7588771607.

Adding to 1224215002 its reverse (2005124221), we get a palindrome (3229339223).

It can be divided in two parts, 122 and 4215002, that added together give a palindrome (4215124).

The spelling of 1224215002 in words is "one billion, two hundred twenty-four million, two hundred fifteen thousand, two".