22354013 has 8 divisors (see below), whose sum is σ = 25669920. Its totient is φ = 19252080.

The previous prime is 22354001. The next prime is 22354019. The reversal of 22354013 is 31045322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22354013 - 2⁶ = 22353949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22354019) 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, 53270 + ... + 53687.

It is an arithmetic number, because the mean of its divisors is an integer number (3208740).

Almost surely, 2^22354013 is an apocalyptic number.

It is an amenable number.

22354013 is a deficient number, since it is larger than the sum of its proper divisors (3315907).

22354013 is a wasteful number, since it uses less digits than its factorization.

22354013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106987.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22354013 is about 4728.0030668349. The cubic root of 22354013 is about 281.6989099012.

Adding to 22354013 its reverse (31045322), we get a palindrome (53399335).

The spelling of 22354013 in words is "twenty-two million, three hundred fifty-four thousand, thirteen".