22630401 has 16 divisors (see below), whose sum is σ = 34345920. Its totient is φ = 14718240.

The previous prime is 22630373. The next prime is 22630409. The reversal of 22630401 is 10403622.

It is a happy number.

22630401 is a `hidden beast` number, since 2 + 263 + 0 + 401 = 666.

It is not a de Polignac number, because 22630401 - 2¹⁰ = 22629377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22630409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9115 + ... + 11328.

It is an arithmetic number, because the mean of its divisors is an integer number (2146620).

Almost surely, 2^22630401 is an apocalyptic number.

It is an amenable number.

22630401 is a deficient number, since it is larger than the sum of its proper divisors (11715519).

22630401 is a wasteful number, since it uses less digits than its factorization.

22630401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20493 (or 20487 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22630401 is about 4757.1421042470. The cubic root of 22630401 is about 282.8551452699.

The spelling of 22630401 in words is "twenty-two million, six hundred thirty thousand, four hundred one".