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2214428 = 22553607
BaseRepresentation
bin1000011100101000011100
311011111121212
420130220130
51031330203
6115243552
724552026
oct10345034
94144555
102214428
111282807
128a95b8
135c6c18
14419016
152db1d8
hex21ca1c

2214428 has 6 divisors (see below), whose sum is σ = 3875256. Its totient is φ = 1107212.

The previous prime is 2214383. The next prime is 2214473. The reversal of 2214428 is 8244122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2214383) and next prime (2214473).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276800 + ... + 276807.

It is an arithmetic number, because the mean of its divisors is an integer number (645876).

22214428 is an apocalyptic number.

It is an amenable number.

2214428 is a deficient number, since it is larger than the sum of its proper divisors (1660828).

2214428 is a wasteful number, since it uses less digits than its factorization.

2214428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553611 (or 553609 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 2214428 is about 1488.0954270476. The cubic root of 2214428 is about 130.3428425779.

The spelling of 2214428 in words is "two million, two hundred fourteen thousand, four hundred twenty-eight".

Divisors: 1 2 4 553607 1107214 2214428