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2223525 = 352231289
BaseRepresentation
bin1000011110110110100101
311011222002210
420132312211
51032123100
6115354033
724620403
oct10366645
94158083
102223525
111289627
128b2919
135cb0c5
1441c473
152ddc50
hex21eda5

2223525 has 24 divisors (see below), whose sum is σ = 3839040. Its totient is φ = 1133440.

The previous prime is 2223521. The next prime is 2223541. The reversal of 2223525 is 5253222.

It is not a de Polignac number, because 2223525 - 22 = 2223521 is a prime.

It is a d-powerful number, because it can be written as 25 + 213 + 217 + 33 + 5 + 217 + 59 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1081 + ... + 2369.

It is an arithmetic number, because the mean of its divisors is an integer number (159960).

22223525 is an apocalyptic number.

2223525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2223525 is a deficient number, since it is larger than the sum of its proper divisors (1615515).

2223525 is a wasteful number, since it uses less digits than its factorization.

2223525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1320 counting only the distinct ones).

The product of its digits is 1200, while the sum is 21.

The square root of 2223525 is about 1491.1488859266. The cubic root of 2223525 is about 130.5210840701.

Adding to 2223525 its reverse (5253222), we get a palindrome (7476747).

The spelling of 2223525 in words is "two million, two hundred twenty-three thousand, five hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1289 1725 3867 6445 19335 29647 32225 88941 96675 148235 444705 741175 2223525