13402023322 has 4 divisors (see below), whose sum is σ = 20103034986. Its totient is φ = 6701011660.

The previous prime is 13402023319. The next prime is 13402023391. The reversal of 13402023322 is 22332020431.

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., 9147200881 + 4254822441 = 95641^2 + 65229^2 .

It is a super-2 number, since 2×13402023322² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13402023293 and 13402023302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350505829 + ... + 3350505832.

Almost surely, 2^13402023322 is an apocalyptic number.

13402023322 is a deficient number, since it is larger than the sum of its proper divisors (6701011664).

13402023322 is an equidigital number, since it uses as much as digits as its factorization.

13402023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701011663.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 13402023322 its reverse (22332020431), we get a palindrome (35734043753).

The spelling of 13402023322 in words is "thirteen billion, four hundred two million, twenty-three thousand, three hundred twenty-two".