22325137 has 8 divisors (see below), whose sum is σ = 23089536. Its totient is φ = 21573552.

The previous prime is 22325123. The next prime is 22325153. The reversal of 22325137 is 73152322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22325137 is a prime.

It is a super-3 number, since 3×22325137³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22326137) 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, 408 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (2886192).

Almost surely, 2^22325137 is an apocalyptic number.

It is an amenable number.

22325137 is a deficient number, since it is larger than the sum of its proper divisors (764399).

22325137 is an equidigital number, since it uses as much as digits as its factorization.

22325137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407.

The product of its digits is 2520, while the sum is 25.

The square root of 22325137 is about 4724.9483595062. The cubic root of 22325137 is about 281.5775619241.

Adding to 22325137 its reverse (73152322), we get a palindrome (95477459).

The spelling of 22325137 in words is "twenty-two million, three hundred twenty-five thousand, one hundred thirty-seven".