13922261 has 4 divisors (see below), whose sum is σ = 13938912. Its totient is φ = 13905612.

The previous prime is 13922257. The next prime is 13922263. The reversal of 13922261 is 16222931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16222931 = 83 ⋅195457.

It is a cyclic number.

It is not a de Polignac number, because 13922261 - 2² = 13922257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13922261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922263) 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, 7001 + ... + 8766.

It is an arithmetic number, because the mean of its divisors is an integer number (3484728).

Almost surely, 2^13922261 is an apocalyptic number.

It is an amenable number.

13922261 is a deficient number, since it is larger than the sum of its proper divisors (16651).

13922261 is an equidigital number, since it uses as much as digits as its factorization.

13922261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650.

The product of its digits is 1296, while the sum is 26.

The square root of 13922261 is about 3731.2546147375. The cubic root of 13922261 is about 240.5672980436.

The spelling of 13922261 in words is "thirteen million, nine hundred twenty-two thousand, two hundred sixty-one".