22401336 has 16 divisors (see below), whose sum is σ = 56003400. Its totient is φ = 7467104.

The previous prime is 22401331. The next prime is 22401341. The reversal of 22401336 is 63310422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22401331) and next prime (22401341).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401331) 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, 466671 + ... + 466718.

Almost surely, 2^22401336 is an apocalyptic number.

It is an amenable number.

22401336 is an abundant number, since it is smaller than the sum of its proper divisors (33602064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22401336 is a wasteful number, since it uses less digits than its factorization.

22401336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933398 (or 933394 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22401336 is about 4733.0049651358. The cubic root of 22401336 is about 281.8975534516.

Adding to 22401336 its reverse (63310422), we get a palindrome (85711758).

The spelling of 22401336 in words is "twenty-two million, four hundred one thousand, three hundred thirty-six".