22452047 has 4 divisors (see below), whose sum is σ = 22537680. Its totient is φ = 22366416.

The previous prime is 22452011. The next prime is 22452049. The reversal of 22452047 is 74025422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22452047 - 2⁶ = 22451983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42422 + ... + 42947.

It is an arithmetic number, because the mean of its divisors is an integer number (5634420).

Almost surely, 2^22452047 is an apocalyptic number.

22452047 is a deficient number, since it is larger than the sum of its proper divisors (85633).

22452047 is an equidigital number, since it uses as much as digits as its factorization.

22452047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85632.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 22452047 is about 4738.3591041625. The cubic root of 22452047 is about 282.1101082353.

Adding to 22452047 its reverse (74025422), we get a palindrome (96477469).

It can be divided in two parts, 2 and 2452047, that multiplied together give a palindrome (4904094).

The spelling of 22452047 in words is "twenty-two million, four hundred fifty-two thousand, forty-seven".