24420229 has 4 divisors (see below), whose sum is σ = 24434476. Its totient is φ = 24405984.

The previous prime is 24420203. The next prime is 24420239. The reversal of 24420229 is 92202442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14976900 + 9443329 = 3870^2 + 3073^2 .

It is a cyclic number.

It is not a de Polignac number, because 24420229 - 2⁷ = 24420101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24420239) 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, 4134 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (6108619).

Almost surely, 2^24420229 is an apocalyptic number.

It is an amenable number.

24420229 is a deficient number, since it is larger than the sum of its proper divisors (14247).

24420229 is a wasteful number, since it uses less digits than its factorization.

24420229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14246.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 24420229 is about 4941.6828105414. The cubic root of 24420229 is about 290.1237244565.

It can be divided in two parts, 24420 and 229, that added together give a square (24649 = 157²).

The spelling of 24420229 in words is "twenty-four million, four hundred twenty thousand, two hundred twenty-nine".