13154222 has 8 divisors (see below), whose sum is σ = 19753536. Its totient is φ = 6569712.

The previous prime is 13154201. The next prime is 13154231. The reversal of 13154222 is 22245131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13154194 and 13154203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (2469192).

Almost surely, 2^13154222 is an apocalyptic number.

13154222 is a deficient number, since it is larger than the sum of its proper divisors (6599314).

13154222 is a wasteful number, since it uses less digits than its factorization.

13154222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402.

The product of its digits is 480, while the sum is 20.

The square root of 13154222 is about 3626.8749633810. The cubic root of 13154222 is about 236.0596301489.

Adding to 13154222 its reverse (22245131), we get a palindrome (35399353).

Subtracting 13154222 from its reverse (22245131), we obtain a palindrome (9090909).

The spelling of 13154222 in words is "thirteen million, one hundred fifty-four thousand, two hundred twenty-two".