22289937 has 8 divisors (see below), whose sum is σ = 30444960. Its totient is φ = 14497440.

The previous prime is 22289923. The next prime is 22289957. The reversal of 22289937 is 73998222.

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

It is not a de Polignac number, because 22289937 - 2⁷ = 22289809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22289957) 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, 90487 + ... + 90732.

It is an arithmetic number, because the mean of its divisors is an integer number (3805620).

Almost surely, 2^22289937 is an apocalyptic number.

It is an amenable number.

22289937 is a deficient number, since it is larger than the sum of its proper divisors (8155023).

22289937 is a wasteful number, since it uses less digits than its factorization.

22289937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181263.

The product of its digits is 108864, while the sum is 42.

The square root of 22289937 is about 4721.2219816484. The cubic root of 22289937 is about 281.4294964810.

The spelling of 22289937 in words is "twenty-two million, two hundred eighty-nine thousand, nine hundred thirty-seven".