22630397 has 8 divisors (see below), whose sum is σ = 22945920. Its totient is φ = 22317120.

The previous prime is 22630373. The next prime is 22630409. The reversal of 22630397 is 79303622.

It is a happy number.

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 22630397 - 2¹⁸ = 22368253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30254 + ... + 30992.

It is an arithmetic number, because the mean of its divisors is an integer number (2868240).

Almost surely, 2^22630397 is an apocalyptic number.

It is an amenable number.

22630397 is a deficient number, since it is larger than the sum of its proper divisors (315523).

22630397 is a wasteful number, since it uses less digits than its factorization.

22630397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 22630397 is about 4757.1416838265. The cubic root of 22630397 is about 282.8551286047.

The spelling of 22630397 in words is "twenty-two million, six hundred thirty thousand, three hundred ninety-seven".