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2225973 = 3741991
BaseRepresentation
bin1000011111011100110101
311012002110110
420133130311
51032212343
6115413233
724630501
oct10373465
94162413
102225973
111290452
128b4219
135cc259
1441d301
152de833
hex21f735

2225973 has 4 divisors (see below), whose sum is σ = 2967968. Its totient is φ = 1483980.

The previous prime is 2225969. The next prime is 2225999. The reversal of 2225973 is 3795222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2225973 - 22 = 2225969 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2225973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370993 + ... + 370998.

It is an arithmetic number, because the mean of its divisors is an integer number (741992).

22225973 is an apocalyptic number.

It is an amenable number.

2225973 is a deficient number, since it is larger than the sum of its proper divisors (741995).

2225973 is an equidigital number, since it uses as much as digits as its factorization.

2225973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741994.

The product of its digits is 7560, while the sum is 30.

The square root of 2225973 is about 1491.9695037098. The cubic root of 2225973 is about 130.5689657637.

It can be divided in two parts, 222 and 5973, that multiplied together give a triangular number (1326006 = T1628).

The spelling of 2225973 in words is "two million, two hundred twenty-five thousand, nine hundred seventy-three".

Divisors: 1 3 741991 2225973