22472434 has 8 divisors (see below), whose sum is σ = 33763968. Its totient is φ = 11217780.

The previous prime is 22472407. The next prime is 22472479. The reversal of 22472434 is 43427422.

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

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, 7642 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (4220496).

Almost surely, 2^22472434 is an apocalyptic number.

22472434 is a deficient number, since it is larger than the sum of its proper divisors (11291534).

22472434 is a wasteful number, since it uses less digits than its factorization.

22472434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18440.

The product of its digits is 10752, while the sum is 28.

The square root of 22472434 is about 4740.5098881871. The cubic root of 22472434 is about 282.1954699970.

Adding to 22472434 its reverse (43427422), we get a palindrome (65899856).

The spelling of 22472434 in words is "twenty-two million, four hundred seventy-two thousand, four hundred thirty-four".