23222715 has 8 divisors (see below), whose sum is σ = 37156368. Its totient is φ = 12385440.

The previous prime is 23222713. The next prime is 23222723. The reversal of 23222715 is 51722232.

It is a happy number.

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

It is not a de Polignac number, because 23222715 - 2¹ = 23222713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23222713) 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, 774076 + ... + 774105.

It is an arithmetic number, because the mean of its divisors is an integer number (4644546).

Almost surely, 2^23222715 is an apocalyptic number.

23222715 is a deficient number, since it is larger than the sum of its proper divisors (13933653).

23222715 is a wasteful number, since it uses less digits than its factorization.

23222715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548189.

The product of its digits is 1680, while the sum is 24.

The square root of 23222715 is about 4818.9952272232. The cubic root of 23222715 is about 285.3016811642.

Adding to 23222715 its reverse (51722232), we get a palindrome (74944947).

The spelling of 23222715 in words is "twenty-three million, two hundred twenty-two thousand, seven hundred fifteen".