22385397 has 8 divisors (see below), whose sum is σ = 29869056. Its totient is φ = 14912672.

The previous prime is 22385383. The next prime is 22385423. The reversal of 22385397 is 79358322.

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

It is a cyclic number.

It is not a de Polignac number, because 22385397 - 2⁴ = 22385381 is a prime.

It is a super-2 number, since 2×22385397² = 1002211997695218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22385347) 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, 6673 + ... + 9449.

It is an arithmetic number, because the mean of its divisors is an integer number (3733632).

Almost surely, 2^22385397 is an apocalyptic number.

It is an amenable number.

22385397 is a deficient number, since it is larger than the sum of its proper divisors (7483659).

22385397 is a wasteful number, since it uses less digits than its factorization.

22385397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467.

The product of its digits is 90720, while the sum is 39.

The square root of 22385397 is about 4731.3208515170. The cubic root of 22385397 is about 281.8306789999.

The spelling of 22385397 in words is "twenty-two million, three hundred eighty-five thousand, three hundred ninety-seven".