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2229049 = 14932
BaseRepresentation
bin1000100000001100111001
311012020200101
420200030321
51032312144
6115435401
724642454
oct10401471
94166611
102229049
111292799
128b5b61
13600784
1442049b
152e06d4
hex220339

2229049 has 3 divisors (see below), whose sum is σ = 2230543. Its totient is φ = 2227556.

The previous prime is 2229043. The next prime is 2229083. The reversal of 2229049 is 9409222.

It is a happy number.

The square root of 2229049 is 1493.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 283024 = 1395^2 + 532^2 .

It is not a de Polignac number, because 2229049 - 23 = 2229041 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2229041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 747 + ... + 2239.

22229049 is an apocalyptic number.

2229049 is the 1493-rd square number.

2229049 is the 747-th centered octagonal number.

It is an amenable number.

2229049 is a deficient number, since it is larger than the sum of its proper divisors (1494).

2229049 is an frugal number, since it uses more digits than its factorization.

2229049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The cubic root of 2229049 is about 130.6290810901.

The spelling of 2229049 in words is "two million, two hundred twenty-nine thousand, forty-nine".

Divisors: 1 1493 2229049