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2223473 = 7245377
BaseRepresentation
bin1000011110110101110001
311011222000212
420132311301
51032122343
6115353505
724620300
oct10366561
94158025
102223473
11128958a
128b2895
135cb085
1441c437
152ddc18
hex21ed71

2223473 has 6 divisors (see below), whose sum is σ = 2586546. Its totient is φ = 1905792.

The previous prime is 2223469. The next prime is 2223493. The reversal of 2223473 is 3743222.

It can be written as a sum of positive squares in only one way, i.e., 1940449 + 283024 = 1393^2 + 532^2 .

It is not a de Polignac number, because 2223473 - 22 = 2223469 is a prime.

It is a d-powerful number, because it can be written as 23 + 213 + 221 + 310 + 42 + 7 + 310 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22640 + ... + 22737.

It is an arithmetic number, because the mean of its divisors is an integer number (431091).

22223473 is an apocalyptic number.

It is an amenable number.

2223473 is a deficient number, since it is larger than the sum of its proper divisors (363073).

2223473 is an equidigital number, since it uses as much as digits as its factorization.

2223473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45391 (or 45384 counting only the distinct ones).

The product of its digits is 2016, while the sum is 23.

The square root of 2223473 is about 1491.1314496046. The cubic root of 2223473 is about 130.5200665942.

Adding to 2223473 its reverse (3743222), we get a palindrome (5966695).

The spelling of 2223473 in words is "two million, two hundred twenty-three thousand, four hundred seventy-three".

Divisors: 1 7 49 45377 317639 2223473