22474047 has 16 divisors (see below), whose sum is σ = 30728192. Its totient is φ = 14605920.

The previous prime is 22474031. The next prime is 22474061. The reversal of 22474047 is 74047422.

It is not a de Polignac number, because 22474047 - 2⁴ = 22474031 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 (22474007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22758 + ... + 23724.

It is an arithmetic number, because the mean of its divisors is an integer number (1920512).

Almost surely, 2^22474047 is an apocalyptic number.

22474047 is a deficient number, since it is larger than the sum of its proper divisors (8254145).

22474047 is a wasteful number, since it uses less digits than its factorization.

22474047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 22474047 is about 4740.6800145127. The cubic root of 22474047 is about 282.2022215339.

The spelling of 22474047 in words is "twenty-two million, four hundred seventy-four thousand, forty-seven".