22401367 has 4 divisors (see below), whose sum is σ = 22618960. Its totient is φ = 22183776.

The previous prime is 22401349. The next prime is 22401371. The reversal of 22401367 is 76310422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22401367 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 (22401377) 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, 108642 + ... + 108847.

It is an arithmetic number, because the mean of its divisors is an integer number (5654740).

Almost surely, 2^22401367 is an apocalyptic number.

22401367 is a deficient number, since it is larger than the sum of its proper divisors (217593).

22401367 is a wasteful number, since it uses less digits than its factorization.

22401367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217592.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22401367 is about 4733.0082400097. The cubic root of 22401367 is about 281.8976834858.

Adding to 22401367 its reverse (76310422), we get a palindrome (98711789).

The spelling of 22401367 in words is "twenty-two million, four hundred one thousand, three hundred sixty-seven".