22990001 has 8 divisors (see below), whose sum is σ = 24416640. Its totient is φ = 21571648.

The previous prime is 22989983. The next prime is 22990007. The reversal of 22990001 is 10009922.

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 22990001 - 2⁶ = 22989937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22990007) 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, 4220 + ... + 7986.

It is an arithmetic number, because the mean of its divisors is an integer number (3052080).

Almost surely, 2^22990001 is an apocalyptic number.

It is an amenable number.

22990001 is a deficient number, since it is larger than the sum of its proper divisors (1426639).

22990001 is a wasteful number, since it uses less digits than its factorization.

22990001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 22990001 is about 4794.7889421746. The cubic root of 22990001 is about 284.3454806697.

Adding to 22990001 its reverse (10009922), we get a palindrome (32999923).

The spelling of 22990001 in words is "twenty-two million, nine hundred ninety thousand, one".