22470545 has 8 divisors (see below), whose sum is σ = 27051624. Its totient is φ = 17918464.

The previous prime is 22470529. The next prime is 22470557. The reversal of 22470545 is 54507422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3530641 + 18939904 = 1879^2 + 4352^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22470545 - 2⁴ = 22470529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504 + ... + 8673.

It is an arithmetic number, because the mean of its divisors is an integer number (3381453).

Almost surely, 2^22470545 is an apocalyptic number.

It is an amenable number.

22470545 is a deficient number, since it is larger than the sum of its proper divisors (4581079).

22470545 is a wasteful number, since it uses less digits than its factorization.

22470545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14499.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 22470545 is about 4740.3106438292. The cubic root of 22470545 is about 282.1875627957.

Adding to 22470545 its reverse (54507422), we get a palindrome (76977967).

The spelling of 22470545 in words is "twenty-two million, four hundred seventy thousand, five hundred forty-five".