24221001 has 16 divisors (see below), whose sum is σ = 38513664. Its totient is φ = 13238544.

The previous prime is 24220979. The next prime is 24221009. The reversal of 24221001 is 10012242.

It is not a de Polignac number, because 24221001 - 2¹⁰ = 24219977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24221009) 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, 24591 + ... + 25556.

It is an arithmetic number, because the mean of its divisors is an integer number (2407104).

Almost surely, 2^24221001 is an apocalyptic number.

24221001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

24221001 is a deficient number, since it is larger than the sum of its proper divisors (14292663).

24221001 is a wasteful number, since it uses less digits than its factorization.

24221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50180.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 24221001 is about 4921.4836177722. The cubic root of 24221001 is about 289.3325952197.

Adding to 24221001 its reverse (10012242), we get a palindrome (34233243).

The spelling of 24221001 in words is "twenty-four million, two hundred twenty-one thousand, one".