47020922 has 8 divisors (see below), whose sum is σ = 75956916. Its totient is φ = 21701952.

The previous prime is 47020921. The next prime is 47020937. The reversal of 47020922 is 22902074.

It can be written as a sum of positive squares in 2 ways, for example, as 46771921 + 249001 = 6839^2 + 499^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1808497 = 47020922 / (4 + 7 + 0 + 2 + 0 + 9 + 2 + 2).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 47020891 and 47020900.

It is not an unprimeable number, because it can be changed into a prime (47020921) 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 3 ways as a sum of consecutive naturals, for example, 904223 + ... + 904274.

Almost surely, 2^47020922 is an apocalyptic number.

47020922 is a deficient number, since it is larger than the sum of its proper divisors (28935994).

47020922 is a wasteful number, since it uses less digits than its factorization.

47020922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808512.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 47020922 is about 6857.1803243024. The cubic root of 47020922 is about 360.9361489064.

Adding to 47020922 its reverse (22902074), we get a palindrome (69922996).

The spelling of 47020922 in words is "forty-seven million, twenty thousand, nine hundred twenty-two".