22145710 has 8 divisors (see below), whose sum is σ = 39862296. Its totient is φ = 8858280.

The previous prime is 22145663. The next prime is 22145723. The reversal of 22145710 is 1754122.

It is a happy number.

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

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, 1107276 + ... + 1107295.

It is an arithmetic number, because the mean of its divisors is an integer number (4982787).

Almost surely, 2^22145710 is an apocalyptic number.

22145710 is a deficient number, since it is larger than the sum of its proper divisors (17716586).

22145710 is a wasteful number, since it uses less digits than its factorization.

22145710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214578.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 22145710 is about 4705.9228637962. The cubic root of 22145710 is about 280.8211862030.

Adding to 22145710 its reverse (1754122), we get a palindrome (23899832).

The spelling of 22145710 in words is "twenty-two million, one hundred forty-five thousand, seven hundred ten".