11522204402 has 4 divisors (see below), whose sum is σ = 17283306606. Its totient is φ = 5761102200.

The previous prime is 11522204377. The next prime is 11522204411. The reversal of 11522204402 is 20440222511.

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

It can be written as a sum of positive squares in only one way, i.e., 11434238761 + 87965641 = 106931^2 + 9379^2 .

It is a super-2 number, since 2×11522204402² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 2880551099 + ... + 2880551102.

Almost surely, 2^11522204402 is an apocalyptic number.

11522204402 is a deficient number, since it is larger than the sum of its proper divisors (5761102204).

11522204402 is an equidigital number, since it uses as much as digits as its factorization.

11522204402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761102203.

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

Adding to 11522204402 its reverse (20440222511), we get a palindrome (31962426913).

The spelling of 11522204402 in words is "eleven billion, five hundred twenty-two million, two hundred four thousand, four hundred two".