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2214980 = 225110749
BaseRepresentation
bin1000011100110001000100
311011112101022
420130301010
51031334410
6115250312
724553445
oct10346104
94145338
102214980
111283169
128a9998
135c7251
144192cc
152db455
hex21cc44

2214980 has 12 divisors (see below), whose sum is σ = 4651500. Its totient is φ = 885984.

The previous prime is 2214977. The next prime is 2214983. The reversal of 2214980 is 894122.

It is an interprime number because it is at equal distance from previous prime (2214977) and next prime (2214983).

It can be written as a sum of positive squares in 2 ways, for example, as 1522756 + 692224 = 1234^2 + 832^2 .

It is a super-2 number, since 2×22149802 = 9812272800800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2214983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55355 + ... + 55394.

It is an arithmetic number, because the mean of its divisors is an integer number (387625).

22214980 is an apocalyptic number.

2214980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2214980 is an abundant number, since it is smaller than the sum of its proper divisors (2436520).

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

2214980 is a wasteful number, since it uses less digits than its factorization.

2214980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110758 (or 110756 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2214980 is about 1488.2808874671. The cubic root of 2214980 is about 130.3536720519.

The spelling of 2214980 in words is "two million, two hundred fourteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 110749 221498 442996 553745 1107490 2214980