24220091 has 8 divisors (see below), whose sum is σ = 27820800. Its totient is φ = 20654568.

The previous prime is 24220073. The next prime is 24220123. The reversal of 24220091 is 19002242.

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 24220091 - 2²² = 20025787 is a prime.

It is a super-2 number, since 2×24220091² = 1173225616096562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24220061) 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, 7301 + ... + 10086.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 2^24220091 is an apocalyptic number.

24220091 is a deficient number, since it is larger than the sum of its proper divisors (3600709).

24220091 is a wasteful number, since it uses less digits than its factorization.

24220091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17593.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 24220091 is about 4921.3911651077. The cubic root of 24220091 is about 289.3289716981.

The spelling of 24220091 in words is "twenty-four million, two hundred twenty thousand, ninety-one".