22501334 has 4 divisors (see below), whose sum is σ = 33752004. Its totient is φ = 11250666.

The previous prime is 22501331. The next prime is 22501343. The reversal of 22501334 is 43310522.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625332 + ... + 5625335.

It is an arithmetic number, because the mean of its divisors is an integer number (8438001).

Almost surely, 2^22501334 is an apocalyptic number.

22501334 is a deficient number, since it is larger than the sum of its proper divisors (11250670).

22501334 is a wasteful number, since it uses less digits than its factorization.

22501334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11250669.

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

The square root of 22501334 is about 4743.5571041150. The cubic root of 22501334 is about 282.3163878521.

Adding to 22501334 its reverse (43310522), we get a palindrome (65811856).

The spelling of 22501334 in words is "twenty-two million, five hundred one thousand, three hundred thirty-four".