22709121 has 8 divisors (see below), whose sum is σ = 31017504. Its totient is φ = 14770080.

The previous prime is 22709107. The next prime is 22709129. The reversal of 22709121 is 12190722.

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

It is not a de Polignac number, because 22709121 - 2¹¹ = 22707073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22709091 and 22709100.

It is not an unprimeable number, because it can be changed into a prime (22709129) 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, 92191 + ... + 92436.

It is an arithmetic number, because the mean of its divisors is an integer number (3877188).

Almost surely, 2^22709121 is an apocalyptic number.

It is an amenable number.

22709121 is a deficient number, since it is larger than the sum of its proper divisors (8308383).

22709121 is a wasteful number, since it uses less digits than its factorization.

22709121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184671.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 22709121 is about 4765.4087967351. The cubic root of 22709121 is about 283.1827368862.

Adding to 22709121 its reverse (12190722), we get a palindrome (34899843).

The spelling of 22709121 in words is "twenty-two million, seven hundred nine thousand, one hundred twenty-one".