22250409 has 8 divisors (see below), whose sum is σ = 29689152. Its totient is φ = 14822640.

The previous prime is 22250383. The next prime is 22250419. The reversal of 22250409 is 90405222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22250409 - 2⁵ = 22250377 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22250419) 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, 5739 + ... + 8799.

It is an arithmetic number, because the mean of its divisors is an integer number (3711144).

Almost surely, 2^22250409 is an apocalyptic number.

It is an amenable number.

22250409 is a deficient number, since it is larger than the sum of its proper divisors (7438743).

22250409 is a wasteful number, since it uses less digits than its factorization.

22250409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22250409 is about 4717.0339197424. The cubic root of 22250409 is about 281.2630397905.

The spelling of 22250409 in words is "twenty-two million, two hundred fifty thousand, four hundred nine".