22716270 has 48 divisors (see below), whose sum is σ = 59793552. Its totient is φ = 5982720.

The previous prime is 22716263. The next prime is 22716299. The reversal of 22716270 is 7261722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5950 + ... + 8990.

It is an arithmetic number, because the mean of its divisors is an integer number (1245699).

Almost surely, 2^22716270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22716270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29896776).

22716270 is an abundant number, since it is smaller than the sum of its proper divisors (37077282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22716270 is a wasteful number, since it uses less digits than its factorization.

22716270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137 (or 3134 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 22716270 is about 4766.1588307567. The cubic root of 22716270 is about 283.2124497783.

Adding to 22716270 its reverse (7261722), we get a palindrome (29977992).

The spelling of 22716270 in words is "twenty-two million, seven hundred sixteen thousand, two hundred seventy".