22940001 has 12 divisors (see below), whose sum is σ = 37869312. Its totient is φ = 13108536.

The previous prime is 22939999. The next prime is 22940003. The reversal of 22940001 is 10004922.

It is an interprime number because it is at equal distance from previous prime (22939999) and next prime (22940003).

It is not a de Polignac number, because 22940001 - 2¹ = 22939999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22940003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182001 + ... + 182126.

It is an arithmetic number, because the mean of its divisors is an integer number (3155776).

Almost surely, 2^22940001 is an apocalyptic number.

22940001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22940001 is a deficient number, since it is larger than the sum of its proper divisors (14929311).

22940001 is a wasteful number, since it uses less digits than its factorization.

22940001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364140 (or 364137 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22940001 is about 4789.5721103247. The cubic root of 22940001 is about 284.1391939836.

Adding to 22940001 its reverse (10004922), we get a palindrome (32944923).

The spelling of 22940001 in words is "twenty-two million, nine hundred forty thousand, one".