47224453 has 4 divisors (see below), whose sum is σ = 50002380. Its totient is φ = 44446528.

The previous prime is 47224433. The next prime is 47224477. The reversal of 47224453 is 35442274.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18258529 + 28965924 = 4273^2 + 5382^2 .

It is a cyclic number.

It is not a de Polignac number, because 47224453 - 2⁵ = 47224421 is a prime.

It is a super-2 number, since 2×47224453² = 4460297922298418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47224423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388938 + ... + 1388971.

It is an arithmetic number, because the mean of its divisors is an integer number (12500595).

Almost surely, 2^47224453 is an apocalyptic number.

It is an amenable number.

47224453 is a deficient number, since it is larger than the sum of its proper divisors (2777927).

47224453 is a wasteful number, since it uses less digits than its factorization.

47224453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777926.

The product of its digits is 26880, while the sum is 31.

The square root of 47224453 is about 6872.0050203707. The cubic root of 47224453 is about 361.4561724256.

The spelling of 47224453 in words is "forty-seven million, two hundred twenty-four thousand, four hundred fifty-three".