22798001 has 4 divisors (see below), whose sum is σ = 22816752. Its totient is φ = 22779252.

The previous prime is 22797979. The next prime is 22798049. The reversal of 22798001 is 10089722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22798001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22798301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7415 + ... + 10028.

It is an arithmetic number, because the mean of its divisors is an integer number (5704188).

Almost surely, 2^22798001 is an apocalyptic number.

It is an amenable number.

22798001 is a deficient number, since it is larger than the sum of its proper divisors (18751).

22798001 is a wasteful number, since it uses less digits than its factorization.

22798001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18750.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 22798001 is about 4774.7252276964. The cubic root of 22798001 is about 283.5517004792.

The spelling of 22798001 in words is "twenty-two million, seven hundred ninety-eight thousand, one".