1223411402 has 8 divisors (see below), whose sum is σ = 1869742116. Its totient is φ = 600164032.

The previous prime is 1223411381. The next prime is 1223411407. The reversal of 1223411402 is 2041143221.

It can be written as a sum of positive squares in 2 ways, for example, as 1172446081 + 50965321 = 34241^2 + 7139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1223411407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5770703 + ... + 5770914.

Almost surely, 2^1223411402 is an apocalyptic number.

1223411402 is a deficient number, since it is larger than the sum of its proper divisors (646330714).

1223411402 is a wasteful number, since it uses less digits than its factorization.

1223411402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11541672.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1223411402 is about 34977.2983805210. The cubic root of 1223411402 is about 1069.5247553221.

Adding to 1223411402 its reverse (2041143221), we get a palindrome (3264554623).

The spelling of 1223411402 in words is "one billion, two hundred twenty-three million, four hundred eleven thousand, four hundred two".