13402222 has 16 divisors (see below), whose sum is σ = 21360672. Its totient is φ = 6284800.

The previous prime is 13402189. The next prime is 13402223. The reversal of 13402222 is 22220431.

13402222 is a modest number, since divided by 2222 gives 1340 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 13402196 and 13402205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13143 + ... + 14125.

It is an arithmetic number, because the mean of its divisors is an integer number (1335042).

Almost surely, 2^13402222 is an apocalyptic number.

13402222 is a deficient number, since it is larger than the sum of its proper divisors (7958450).

13402222 is a wasteful number, since it uses less digits than its factorization.

13402222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13402222 is about 3660.9045330355. The cubic root of 13402222 is about 237.5339017164.

Adding to 13402222 its reverse (22220431), we get a palindrome (35622653).

The spelling of 13402222 in words is "thirteen million, four hundred two thousand, two hundred twenty-two".