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2229948 = 223278849
BaseRepresentation
bin1000100000011010111100
311012021220200
420200122330
51032324243
6115443500
724645210
oct10403274
94167820
102229948
111293436
128b6590
13600cc6
14420940
152e0ad3
hex2206bc

2229948 has 36 divisors (see below), whose sum is σ = 6442800. Its totient is φ = 637056.

The previous prime is 2229943. The next prime is 2229959. The reversal of 2229948 is 8499222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2 + 217 + 221 + 93 + 93 + 44 + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4173 + ... + 4676.

22229948 is an apocalyptic number.

2229948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2229948 is an abundant number, since it is smaller than the sum of its proper divisors (4212852).

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

2229948 is a wasteful number, since it uses less digits than its factorization.

2229948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866 (or 8861 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2229948 is about 1493.3010413175. The cubic root of 2229948 is about 130.6466401119.

It can be divided in two parts, 22 and 29948, that multiplied together give a palindrome (658856).

The spelling of 2229948 in words is "two million, two hundred twenty-nine thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 8849 17698 26547 35396 53094 61943 79641 106188 123886 159282 185829 247772 318564 371658 557487 743316 1114974 2229948