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2225550 = 235237401
BaseRepresentation
bin1000011111010110001110
311012001212210
420133112032
51032204200
6115411250
724626325
oct10372616
94161783
102225550
1112900a8
128b3b26
135cbcc2
1441d0bc
152de650
hex21f58e

2225550 has 48 divisors (see below), whose sum is σ = 5682672. Its totient is φ = 576000.

The previous prime is 2225543. The next prime is 2225557. The reversal of 2225550 is 555222.

It is an interprime number because it is at equal distance from previous prime (2225543) and next prime (2225557).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225557) 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, 5350 + ... + 5750.

It is an arithmetic number, because the mean of its divisors is an integer number (118389).

22225550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2841336).

2225550 is an abundant number, since it is smaller than the sum of its proper divisors (3457122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2225550 is a wasteful number, since it uses less digits than its factorization.

2225550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2225550 is about 1491.8277380448. The cubic root of 2225550 is about 130.5606945984.

It can be divided in two parts, 2225 and 550, that added together give a triangular number (2775 = T74).

The spelling of 2225550 in words is "two million, two hundred twenty-five thousand, five hundred fifty".