22209734 has 8 divisors (see below), whose sum is σ = 33860928. Its totient is φ = 10922760.

The previous prime is 22209713. The next prime is 22209749. The reversal of 22209734 is 43790222.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22209697 and 22209706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90902 + ... + 91145.

It is an arithmetic number, because the mean of its divisors is an integer number (4232616).

Almost surely, 2^22209734 is an apocalyptic number.

22209734 is a deficient number, since it is larger than the sum of its proper divisors (11651194).

22209734 is a wasteful number, since it uses less digits than its factorization.

22209734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182110.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 22209734 is about 4712.7204457723. The cubic root of 22209734 is about 281.0915470260.

Adding to 22209734 its reverse (43790222), we get a palindrome (65999956).

The spelling of 22209734 in words is "twenty-two million, two hundred nine thousand, seven hundred thirty-four".